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CVE-2026-7717

A vulnerability was determined in Totolink WA300 5.2cu.7112_B20190227. This issue affects the function UploadCustomModule of the file /cgi-bin/cstecgi.cgi of the component POST Request Handler. Executing a manipulation of the argument File can lead to buffer overflow. The attack can be launched remotely. The exploit has been publicly disclosed and may be utilized.
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:5f8a160a67610cde079398f9a54b5a7d1db3e37edea18897fc2aab48cb8dbe9d
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":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:v2:67054859d141ce9a4d37731ed3d245d52ec6eb16b4a85bba4cb23aa9aff68e43 · sha256:892a2e370030db06… · /containers/cna/metrics/3/cvssV2_0

{"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:v2:67054859d141ce9a4d37731ed3d245d52ec6eb16b4a85bba4cb23aa9aff68e43 · sha256:892a2e370030db06… · /containers/cna/metrics/0/cvssV4_0

{"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:v2:67054859d141ce9a4d37731ed3d245d52ec6eb16b4a85bba4cb23aa9aff68e43 · sha256:892a2e370030db06… · /containers/cna/metrics/2/cvssV3_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:v2:67054859d141ce9a4d37731ed3d245d52ec6eb16b4a85bba4cb23aa9aff68e43 · sha256:892a2e370030db06… · /containers/cna/metrics/1/cvssV3_1
cwe · 2 assertions

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

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:67054859d141ce9a4d37731ed3d245d52ec6eb16b4a85bba4cb23aa9aff68e43 · sha256:892a2e370030db06… · /containers/cna/problemTypes/1/descriptions/0

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

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:67054859d141ce9a4d37731ed3d245d52ec6eb16b4a85bba4cb23aa9aff68e43 · sha256:892a2e370030db06… · /containers/cna/problemTypes/0/descriptions/0

Affected products and versions

1 source assertion
{"cpes":["cpe:2.3:o:totolink:wa300_firmware:*:*:*:*:*:*:*:*"],"modules":["POST Request Handler"],"product":"WA300","vendor":"Totolink","versions":[{"status":"affected","version":"5.2cu.7112_B20190227"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:67054859d141ce9a4d37731ed3d245d52ec6eb16b4a85bba4cb23aa9aff68e43 · sha256:892a2e370030db06… · /containers/cna/affected/0

Provider-owned CVSS observations

4 source assertions
{"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:v2:67054859d141ce9a4d37731ed3d245d52ec6eb16b4a85bba4cb23aa9aff68e43 · sha256:892a2e370030db06… · /containers/cna/metrics/3/cvssV2_0
{"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:v2:67054859d141ce9a4d37731ed3d245d52ec6eb16b4a85bba4cb23aa9aff68e43 · sha256:892a2e370030db06… · /containers/cna/metrics/0/cvssV4_0
{"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:v2:67054859d141ce9a4d37731ed3d245d52ec6eb16b4a85bba4cb23aa9aff68e43 · sha256:892a2e370030db06… · /containers/cna/metrics/2/cvssV3_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:v2:67054859d141ce9a4d37731ed3d245d52ec6eb16b4a85bba4cb23aa9aff68e43 · sha256:892a2e370030db06… · /containers/cna/metrics/1/cvssV3_1

CWE assertions

2 source assertions
{"cweId":"CWE-119","description":"Memory Corruption","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:67054859d141ce9a4d37731ed3d245d52ec6eb16b4a85bba4cb23aa9aff68e43 · sha256:892a2e370030db06… · /containers/cna/problemTypes/1/descriptions/0
{"cweId":"CWE-120","description":"Buffer Overflow","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:67054859d141ce9a4d37731ed3d245d52ec6eb16b4a85bba4cb23aa9aff68e43 · sha256:892a2e370030db06… · /containers/cna/problemTypes/0/descriptions/0

Source references

5 source assertions
{"tags":["exploit"],"url":"https://lavender-bicycle-a5a.notion.site/TOTOLINK-WA300-UploadCustomModule-34553a41781f80a8a287e48a7fb04de9"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:67054859d141ce9a4d37731ed3d245d52ec6eb16b4a85bba4cb23aa9aff68e43 · sha256:892a2e370030db06… · /containers/cna/references/3
{"name":"Submit #807193 | Totolink WA300 WA300 V5.2cu.7112_B20190227 Buffer Overflow","tags":["third-party-advisory"],"url":"https://vuldb.com/submit/807193"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:67054859d141ce9a4d37731ed3d245d52ec6eb16b4a85bba4cb23aa9aff68e43 · sha256:892a2e370030db06… · /containers/cna/references/2
{"name":"VDB-360893 | Totolink WA300 POST Request cstecgi.cgi UploadCustomModule buffer overflow","tags":["vdb-entry","technical-description"],"url":"https://vuldb.com/vuln/360893"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:67054859d141ce9a4d37731ed3d245d52ec6eb16b4a85bba4cb23aa9aff68e43 · sha256:892a2e370030db06… · /containers/cna/references/0
{"name":"VDB-360893 | CTI Indicators (IOB, IOC, IOA)","tags":["signature","permissions-required"],"url":"https://vuldb.com/vuln/360893/cti"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:67054859d141ce9a4d37731ed3d245d52ec6eb16b4a85bba4cb23aa9aff68e43 · sha256:892a2e370030db06… · /containers/cna/references/1
{"tags":["product"],"url":"https://www.totolink.net/"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:67054859d141ce9a4d37731ed3d245d52ec6eb16b4a85bba4cb23aa9aff68e43 · sha256:892a2e370030db06… · /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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