What’s Vulnerable › Vulnerabilities

CVE-2026-114383: TOTOLINK EX200 wireless.so cstecgi.cgi setWiFiAclAddConfig stack-based overflow

• Severity: critical (CVSS 10.0 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.7% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-10-21 · updated 2026-10-28
• Weakness: CWE-119

Description

A weakness has been identified in TOTOLINK EX200 5.2.3c.7200. This impacts the function setWiFiAclAddConfig of the file /cgi-bin/cstecgi.cgi of the component wireless.so. This manipulation of the argument macAddress causes stack-based buffer overflow. The attack can be initiated remotely. The exploit has been made available to the public and could be used for attacks.

Affected products

• TOTOLINK EX200: 5.2.3c.7200

References

• https://github.com/qwq-nm/CVE/blob/f5d61361eb7d846479f6d76c0aa4273e9af46d27/CVE2/report.md
• https://vuldb.com/cve/CVE-2026-114383
• https://vuldb.com/submit/1019883
• https://vuldb.com/vuln/424742
• https://vuldb.com/vuln/424742/cti
• https://www.totolink.net/

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