Vulnerability · Published Oct 19, 2023 · Assigned by icscert

CVE-2023-43492Weintek cMT3000 HMI Web CGI Stack-based Buffer Overflow

Critical 9.8

In plain English

A critical-severity stack buffer overflow in cMT-FHD from Weintek. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.1% (higher than 66% of all known vulnerabilities).

Severity (CVSS 3.1)9.8Critical
Exploit odds (30 days)1.1%top 34.0% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

In Weintek's cMT3000 HMI Web CGI device, the cgi-bin codesys.cgi contains a stack-based buffer overflow, which could allow an anonymous attacker to hijack control flow and bypass login authentication.

Affected products (as reported)

VendorProductVersions
Weintek cMT-FHD 0 – through 20210210
Weintek cMT-HDM 0 – through 20210204
Weintek cMT3071 0 – through 20210218
Weintek cMT3072 0 – through 20210218
Weintek cMT3103 0 – through 20210218
Weintek cMT3090 0 – through 20210218
Weintek cMT3151 0 – through 20210218

Weakness: CWE-121 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References