CVE-2024-7336: TOTOLINK EX200 cstecgi.cgi loginauth buffer overflow

Severity: high (CVSS 8.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.3% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2024-08-01 · updated 2026-06-17
Weakness: CWE-120

Description

A vulnerability classified as critical was found in TOTOLINK EX200 4.0.3c.7646_B20201211. Affected by this vulnerability is the function loginauth of the file /cgi-bin/cstecgi.cgi. The manipulation of the argument http_host leads to buffer overflow. The attack can be launched remotely. The exploit has been disclosed to the public and may be used. The associated identifier of this vulnerability is VDB-273259. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.

Affected products

TOTOLINK EX200: 4.0.3c.7646_b20201211

References

https://github.com/abcdefg-png/IoT-vulnerable/blob/main/TOTOLINK/EX200/loginauth.md
https://vuldb.com/?ctiid.273259
https://vuldb.com/?id.273259
https://vuldb.com/?submit.379314

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