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CVE-2025-6752

A vulnerability has been found in Linksys WRT1900ACS, EA7200, EA7450 and EA7500 up to 20250619 and classified as critical. This vulnerability affects the function SetDefaultConnectionService of the file /upnp/control/Layer3Forwarding of the component IGD. The manipulation of the argument NewDefaultConnectionService leads to stack-based buffer overflow. The attack can be initiated remotely. The exploit has been disclosed to the public and may be used. The vendor was contacted early about this dis
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:2cf737a05a55bce84fb101870f5f619cc051ba49228ee827b8cadadb66b8191b
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
3

Preserved source conflicts

No provider value was silently selected as the winner.

affected · 4 assertions

{"modules":["IGD"],"product":"WRT1900ACS","vendor":"Linksys","versions":[{"status":"affected","version":"20250619"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:3bb262fc5fcc24a648f240700275a555586129b8ce6f1bdf0596823c76f22c3a · sha256:6d5c5e2256649f44… · /containers/cna/affected/0

{"modules":["IGD"],"product":"EA7450","vendor":"Linksys","versions":[{"status":"affected","version":"20250619"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:3bb262fc5fcc24a648f240700275a555586129b8ce6f1bdf0596823c76f22c3a · sha256:6d5c5e2256649f44… · /containers/cna/affected/2

{"modules":["IGD"],"product":"EA7500","vendor":"Linksys","versions":[{"status":"affected","version":"20250619"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:3bb262fc5fcc24a648f240700275a555586129b8ce6f1bdf0596823c76f22c3a · sha256:6d5c5e2256649f44… · /containers/cna/affected/3

{"modules":["IGD"],"product":"EA7200","vendor":"Linksys","versions":[{"status":"affected","version":"20250619"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:3bb262fc5fcc24a648f240700275a555586129b8ce6f1bdf0596823c76f22c3a · sha256:6d5c5e2256649f44… · /containers/cna/affected/1
cvss · 4 assertions

{"metric":{"baseScore":8.7,"baseSeverity":"HIGH","vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P","version":"4.0"},"metric_type":"cvssV4_0"}

  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:3bb262fc5fcc24a648f240700275a555586129b8ce6f1bdf0596823c76f22c3a · sha256:6d5c5e2256649f44… · /containers/cna/metrics/0/cvssV4_0

{"metric":{"baseScore":8.8,"baseSeverity":"HIGH","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R","version":"3.1"},"metric_type":"cvssV3_1"}

  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:3bb262fc5fcc24a648f240700275a555586129b8ce6f1bdf0596823c76f22c3a · sha256:6d5c5e2256649f44… · /containers/cna/metrics/1/cvssV3_1

{"metric":{"baseScore":8.8,"baseSeverity":"HIGH","vectorString":"CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R","version":"3.0"},"metric_type":"cvssV3_0"}

  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:3bb262fc5fcc24a648f240700275a555586129b8ce6f1bdf0596823c76f22c3a · sha256:6d5c5e2256649f44… · /containers/cna/metrics/2/cvssV3_0

{"metric":{"baseScore":9,"vectorString":"AV:N/AC:L/Au:S/C:C/I:C/A:C/E:POC/RL:ND/RC:UR","version":"2.0"},"metric_type":"cvssV2_0"}

  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:3bb262fc5fcc24a648f240700275a555586129b8ce6f1bdf0596823c76f22c3a · sha256:6d5c5e2256649f44… · /containers/cna/metrics/3/cvssV2_0
cwe · 2 assertions

{"cweId":"CWE-121","description":"Stack-based Buffer Overflow","lang":"en","type":"CWE"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:3bb262fc5fcc24a648f240700275a555586129b8ce6f1bdf0596823c76f22c3a · sha256:6d5c5e2256649f44… · /containers/cna/problemTypes/0/descriptions/0

{"cweId":"CWE-119","description":"Memory Corruption","lang":"en","type":"CWE"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:3bb262fc5fcc24a648f240700275a555586129b8ce6f1bdf0596823c76f22c3a · sha256:6d5c5e2256649f44… · /containers/cna/problemTypes/1/descriptions/0

Affected products and versions

4 source assertions
{"modules":["IGD"],"product":"WRT1900ACS","vendor":"Linksys","versions":[{"status":"affected","version":"20250619"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:3bb262fc5fcc24a648f240700275a555586129b8ce6f1bdf0596823c76f22c3a · sha256:6d5c5e2256649f44… · /containers/cna/affected/0
{"modules":["IGD"],"product":"EA7450","vendor":"Linksys","versions":[{"status":"affected","version":"20250619"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:3bb262fc5fcc24a648f240700275a555586129b8ce6f1bdf0596823c76f22c3a · sha256:6d5c5e2256649f44… · /containers/cna/affected/2
{"modules":["IGD"],"product":"EA7500","vendor":"Linksys","versions":[{"status":"affected","version":"20250619"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:3bb262fc5fcc24a648f240700275a555586129b8ce6f1bdf0596823c76f22c3a · sha256:6d5c5e2256649f44… · /containers/cna/affected/3
{"modules":["IGD"],"product":"EA7200","vendor":"Linksys","versions":[{"status":"affected","version":"20250619"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:3bb262fc5fcc24a648f240700275a555586129b8ce6f1bdf0596823c76f22c3a · sha256:6d5c5e2256649f44… · /containers/cna/affected/1

Provider-owned CVSS observations

4 source assertions
{"metric":{"baseScore":8.7,"baseSeverity":"HIGH","vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P","version":"4.0"},"metric_type":"cvssV4_0"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:3bb262fc5fcc24a648f240700275a555586129b8ce6f1bdf0596823c76f22c3a · sha256:6d5c5e2256649f44… · /containers/cna/metrics/0/cvssV4_0
{"metric":{"baseScore":8.8,"baseSeverity":"HIGH","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:3bb262fc5fcc24a648f240700275a555586129b8ce6f1bdf0596823c76f22c3a · sha256:6d5c5e2256649f44… · /containers/cna/metrics/1/cvssV3_1
{"metric":{"baseScore":8.8,"baseSeverity":"HIGH","vectorString":"CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R","version":"3.0"},"metric_type":"cvssV3_0"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:3bb262fc5fcc24a648f240700275a555586129b8ce6f1bdf0596823c76f22c3a · sha256:6d5c5e2256649f44… · /containers/cna/metrics/2/cvssV3_0
{"metric":{"baseScore":9,"vectorString":"AV:N/AC:L/Au:S/C:C/I:C/A:C/E:POC/RL:ND/RC:UR","version":"2.0"},"metric_type":"cvssV2_0"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:3bb262fc5fcc24a648f240700275a555586129b8ce6f1bdf0596823c76f22c3a · sha256:6d5c5e2256649f44… · /containers/cna/metrics/3/cvssV2_0

CWE assertions

2 source assertions
{"cweId":"CWE-121","description":"Stack-based Buffer Overflow","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:3bb262fc5fcc24a648f240700275a555586129b8ce6f1bdf0596823c76f22c3a · sha256:6d5c5e2256649f44… · /containers/cna/problemTypes/0/descriptions/0
{"cweId":"CWE-119","description":"Memory Corruption","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:3bb262fc5fcc24a648f240700275a555586129b8ce6f1bdf0596823c76f22c3a · sha256:6d5c5e2256649f44… · /containers/cna/problemTypes/1/descriptions/0

Source references

6 source assertions
{"tags":["related"],"url":"https://github.com/feiwuxingxie/cve/blob/main/linksys/vul01/1.md"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:3bb262fc5fcc24a648f240700275a555586129b8ce6f1bdf0596823c76f22c3a · sha256:6d5c5e2256649f44… · /containers/cna/references/3
{"tags":["exploit"],"url":"https://github.com/feiwuxingxie/cve/blob/main/linksys/vul01/1.md#poc"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:3bb262fc5fcc24a648f240700275a555586129b8ce6f1bdf0596823c76f22c3a · sha256:6d5c5e2256649f44… · /containers/cna/references/4
{"name":"VDB-314050 | CTI Indicators (IOB, IOC, IOA)","tags":["signature","permissions-required"],"url":"https://vuldb.com/?ctiid.314050"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:3bb262fc5fcc24a648f240700275a555586129b8ce6f1bdf0596823c76f22c3a · sha256:6d5c5e2256649f44… · /containers/cna/references/1
{"name":"VDB-314050 | Linksys WRT1900ACS/EA7200/EA7450/EA7500 IGD Layer3Forwarding SetDefaultConnectionService stack-based overflow","tags":["vdb-entry","technical-description"],"url":"https://vuldb.com/?id.314050"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:3bb262fc5fcc24a648f240700275a555586129b8ce6f1bdf0596823c76f22c3a · sha256:6d5c5e2256649f44… · /containers/cna/references/0
{"name":"Submit #600638 | Linksys WRT1900ACS Ver. 2.0.3.201002 Stack-based Buffer Overflow","tags":["third-party-advisory"],"url":"https://vuldb.com/?submit.600638"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:3bb262fc5fcc24a648f240700275a555586129b8ce6f1bdf0596823c76f22c3a · sha256:6d5c5e2256649f44… · /containers/cna/references/2
{"tags":["product"],"url":"https://www.linksys.com/"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:3bb262fc5fcc24a648f240700275a555586129b8ce6f1bdf0596823c76f22c3a · sha256:6d5c5e2256649f44… · /containers/cna/references/5

Attribution and limitations

  • CVE Program CVEList V5: Reproduce the MITRE copyright designation and CVE license in copies. Source →

Provider severity values are preserved separately. Baitaphish does not convert them into a risk rating, infer affected products, or treat EPSS as observed exploitation.

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