Vulnerability record/PUBLISHED/Published Nov 7, 2026 19:00:18 UTC

CVE-2026-124059

A security vulnerability has been detected in TOTOLINK CA300-PoE 6.2c.884. Affected by this vulnerability is the function setWiFiWdsAddConfig of the file /cgi-bin/cstecgi.cgi. The manipulation of the argument ApCliKeyStr leads to buffer overflow. The attack may be initiated remotely. The exploit has been disclosed publicly and may be used.

Base score9.4/ 10

SeverityCriticalCVSS 4.0

Exploitability / impact

CVSS metric breakdown

Vector-derived attributes

Base severityCritical

Attack vectorNetworkAV

Attack complexityLowAC

Attack requirementsNoneAT

Privileges requiredHighPR

User interactionNoneUI

Vulnerable system confidentialityHighVC

Vulnerable system integrityHighVI

Vulnerable system availabilityHighVA

Subsequent system confidentialityHighSC

Subsequent system integrityHighSI

Subsequent system availabilityHighSA

Exploit maturityProof of conceptE

CVSS vector stringCVSS: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

CVSS communicates standardized severity and impact characteristics. It does not establish whether a system is exploitable in your specific environment.

Record context

CVE Numbering AuthorityVulDB

Last updatedNov 7, 2026 19:00:18 UTC

PublishedNov 7, 2026 19:00:18 UTC

ReservedNov 6, 2026 19:53:56 UTC

Credits

wxhwxhwxh_mie (VulDB User)