All vulnerabilities
CVE-2026-114382

TOTOLINK EX200 lan.so cstecgi.cgi setStaticDhcpConfig stack-based overflow

TOTOLINK EX200Network & edge
Open in ThreatlineRecord JSON
CVSS
10.0Critical
ExploitationNo known exploitationNot in CISA KEV, which does not prove it is unexploitedCISA KEV
Exploit odds (EPSS)0.67%Chance of exploitation activity in the next 30 days, higher than 51% of CVEs. Scored 23 Oct 2026FIRST EPSS
Fixed inNone listedNo source names a fixed version. Check the vendor advisory below
Published21 Oct 2026Updated 21 Oct 2026CVE List

What fixes it

No source in this snapshot names a fixed version. The vendor advisories under References are the place to check.

Description

A security flaw has been discovered in TOTOLINK EX200 5.2.3c.7200. This affects the function setStaticDhcpConfig of the file /cgi-bin/cstecgi.cgi of the component lan.so. The manipulation of the argument Comment results in stack-based buffer overflow. It is possible to launch the attack remotely. The exploit has been released to the public and may be used for attacks.

Text from CVE List

Affected versions 1

  • EX200affected: 5.2.3c.7200CVE List

References 6