by Kastro
Paper/Archive/CVE-2026-124058

CVE-2026-124058

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

CVSS 9.4
critical.is priorityof 100
28
CVSS 9.4 (CNA)9.4 / 10 × 3028.2Not in CISA KEV+300.0No EPSS score.000 × 200.0No public exploit+100.0SSVC exploitation: unknown+100.0
Description · from the CVE record

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

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/432113refvuldb.com/vuln/432113/ctiwriteupvuldb.com/cve/CVE-2026-124058writeupvuldb.com/submit/1033755exploitlavender-bicycle-a5a.notion.site/TOTOLINK-CA300-PoE-setWiFiRepeaterConfig-3f953a41781f80349879d9aca7c4702a?source=copy_linkreftotolink.net