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CVE-2026-4976

A vulnerability was found in Totolink LR350 9.3.5u.6369_B20220309. This vulnerability affects the function setWiFiGuestCfg of the file /cgi-bin/cstecgi.cgi. The manipulation of the argument ssid results in buffer overflow. The attack can be launched remotely. The exploit has been made public and could be used.
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:30136f8411074aa23b7df2717db28e3fead51f9f808862e92f4e8956748d312d
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
2

Preserved source conflicts

No provider value was silently selected as the winner.

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:v2:26c99ab19b0fc4e2f8fe6f952a86d08c0185e4723d389963e4b7b84caae94c11 · sha256:970f2cb6fc58d08f… · /containers/cna/metrics/0/cvssV4_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:v2:26c99ab19b0fc4e2f8fe6f952a86d08c0185e4723d389963e4b7b84caae94c11 · sha256:970f2cb6fc58d08f… · /containers/cna/metrics/3/cvssV2_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:v2:26c99ab19b0fc4e2f8fe6f952a86d08c0185e4723d389963e4b7b84caae94c11 · sha256:970f2cb6fc58d08f… · /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:v2:26c99ab19b0fc4e2f8fe6f952a86d08c0185e4723d389963e4b7b84caae94c11 · sha256:970f2cb6fc58d08f… · /containers/cna/metrics/2/cvssV3_0
cwe · 2 assertions

{"cweId":"CWE-120","description":"Buffer Overflow","lang":"en","type":"CWE"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:26c99ab19b0fc4e2f8fe6f952a86d08c0185e4723d389963e4b7b84caae94c11 · sha256:970f2cb6fc58d08f… · /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:v2:26c99ab19b0fc4e2f8fe6f952a86d08c0185e4723d389963e4b7b84caae94c11 · sha256:970f2cb6fc58d08f… · /containers/cna/problemTypes/1/descriptions/0

Affected products and versions

1 source assertion
{"cpes":["cpe:2.3:o:totolink:lr350_firmware:*:*:*:*:*:*:*:*"],"product":"LR350","vendor":"Totolink","versions":[{"status":"affected","version":"9.3.5u.6369_B20220309"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:26c99ab19b0fc4e2f8fe6f952a86d08c0185e4723d389963e4b7b84caae94c11 · sha256:970f2cb6fc58d08f… · /containers/cna/affected/0

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:v2:26c99ab19b0fc4e2f8fe6f952a86d08c0185e4723d389963e4b7b84caae94c11 · sha256:970f2cb6fc58d08f… · /containers/cna/metrics/0/cvssV4_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:v2:26c99ab19b0fc4e2f8fe6f952a86d08c0185e4723d389963e4b7b84caae94c11 · sha256:970f2cb6fc58d08f… · /containers/cna/metrics/3/cvssV2_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:v2:26c99ab19b0fc4e2f8fe6f952a86d08c0185e4723d389963e4b7b84caae94c11 · sha256:970f2cb6fc58d08f… · /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:v2:26c99ab19b0fc4e2f8fe6f952a86d08c0185e4723d389963e4b7b84caae94c11 · sha256:970f2cb6fc58d08f… · /containers/cna/metrics/2/cvssV3_0

CWE assertions

2 source assertions
{"cweId":"CWE-120","description":"Buffer Overflow","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:26c99ab19b0fc4e2f8fe6f952a86d08c0185e4723d389963e4b7b84caae94c11 · sha256:970f2cb6fc58d08f… · /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:v2:26c99ab19b0fc4e2f8fe6f952a86d08c0185e4723d389963e4b7b84caae94c11 · sha256:970f2cb6fc58d08f… · /containers/cna/problemTypes/1/descriptions/0

Source references

5 source assertions
{"tags":["exploit"],"url":"https://lavender-bicycle-a5a.notion.site/TOTOLINK-LR350-setWiFiGuestCfg-32153a41781f8048a918c1c78e95064e?source=copy_link"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:26c99ab19b0fc4e2f8fe6f952a86d08c0185e4723d389963e4b7b84caae94c11 · sha256:970f2cb6fc58d08f… · /containers/cna/references/3
{"name":"VDB-353863 | CTI Indicators (IOB, IOC, IOA)","tags":["signature","permissions-required"],"url":"https://vuldb.com/?ctiid.353863"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:26c99ab19b0fc4e2f8fe6f952a86d08c0185e4723d389963e4b7b84caae94c11 · sha256:970f2cb6fc58d08f… · /containers/cna/references/1
{"name":"VDB-353863 | Totolink LR350 cstecgi.cgi setWiFiGuestCfg buffer overflow","tags":["vdb-entry","technical-description"],"url":"https://vuldb.com/?id.353863"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:26c99ab19b0fc4e2f8fe6f952a86d08c0185e4723d389963e4b7b84caae94c11 · sha256:970f2cb6fc58d08f… · /containers/cna/references/0
{"name":"Submit #778274 | TOTOLINK LR350 LR350 V9.3.5u.6369_B20220309 Buffer Overflow","tags":["third-party-advisory"],"url":"https://vuldb.com/?submit.778274"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:26c99ab19b0fc4e2f8fe6f952a86d08c0185e4723d389963e4b7b84caae94c11 · sha256:970f2cb6fc58d08f… · /containers/cna/references/2
{"tags":["product"],"url":"https://www.totolink.net/"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:26c99ab19b0fc4e2f8fe6f952a86d08c0185e4723d389963e4b7b84caae94c11 · sha256:970f2cb6fc58d08f… · /containers/cna/references/4

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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