Vulnerability · Published Aug 1, 2024 · Assigned by VulDB

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

High 8.8

In plain English

A high-severity buffer overflow in EX200 from TOTOLINK. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 1.3% (higher than 70% of all known vulnerabilities).

Severity (CVSS 3.1)8.8High

Exploit odds (30 days)1.3%top 30.1% of all CVEs

Exploited in the wildNo reportsCISA SSVC: poc

Attack toolingNoneno public tooling known

Official 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 (as reported)

Vendor	Product	Versions
TOTOLINK	EX200	4.0.3c.7646_B20201211

Weakness: CWE-120 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

References

VDB-273259 | TOTOLINK EX200 cstecgi.cgi loginauth buffer overflow vdb-entry, technical-description
VDB-273259 | CTI Indicators (IOB, IOC, IOA) signature, permissions-required
Submit #379314 | TOTOLINK EX200 V4.0.3c.7646_B20201211 buffer overflow third-party-advisory
https://github.com/abcdefg-png/IoT-vulnerable/blob/main/TOTOLINK/EX200/loginauth.md exploit