Paper/Archive/CVE-2026-124060

CVE-2026-124060

TOTOLINK CA300-PoE — TOTOLINK CA300-PoE cstecgi.cgi UploadCustomModule buffer overflow

CVSS 9.4 (CNA)9.4 / 10 × 3028.2 Not in CISA KEV+300.0 No EPSS score.000 × 200.0 No public exploit+100.0 SSVC exploitation: unknown+100.0

Description · from the CVE record

A vulnerability was detected in TOTOLINK CA300-PoE 6.2c.884. Affected by this issue is the function UploadCustomModule of the file /cgi-bin/cstecgi.cgi. The manipulation of the argument File results in buffer overflow. The attack may be launched remotely. The exploit is now public and may be used.

Affected

ProductAffectedFixed inSource

CA300-PoE6.2c.884–CNA

Scores by source

VulDB (CNA)9.4CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:P

VulDB (CNA)9.1CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H/E:P/RL:X/RC:C

VulDB (CNA)9.1CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H/E:P/RL:X/RC:C

References

writeupvuldb.com/vuln/432115 refvuldb.com/vuln/432115/cti writeupvuldb.com/cve/CVE-2026-124060 writeupvuldb.com/submit/1033757 exploitlavender-bicycle-a5a.notion.site/TOTOLINK-CA300-PoE-UploadCustomModule-3f953a41781f803fabf6e4b901fffb1f?source=copy_link reftotolink.net