CVE-2026-124058

Description

A weakness has been identified in TOTOLINK CA300-PoE 6.2c.884. Affected is the function setWiFiRepeaterConfig of the file /cgi-bin/cstecgi.cgi. Executing a manipulation of the argument ApCliKeyStr can lead to buffer overflow. The attack can be launched remotely. The exploit has been made available to the public and could be used for attacks.

Affected products

References

External links from the record. They lead to third-party sites.

• VDB-432113 | TOTOLINK CA300-PoE cstecgi.cgi setWiFiRepeaterConfig buffer overflow technical-description, vdb-entry
  https://vuldb.com/vuln/432113
• VDB-432113 | CTI Indicators (IOB, IOC, IOA) permissions-required, signature
  https://vuldb.com/vuln/432113/cti
• CVE-2026-124058 | CVE Analysis and Report third-party-advisory
  https://vuldb.com/cve/CVE-2026-124058
• Submit #1033755 | TOTOLINK CA300-PoE CA300-PoE_Firmware V6.2c.884 Buffer Overflow third-party-advisory
  https://vuldb.com/submit/1033755
• https://lavender-bicycle-a5a.notion.site/TOTOLINK-CA300-PoE-setWiFiRepeaterConfig-3f953a41781f80349879d9aca7c4702a?sourc… exploit
• https://www.totolink.net/ product