AUGUST 4, 2026
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Case File

CVE-2025-12240

HIGH · CVSS 8.8 EPSS 0.77% Public Exploit

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2025-10-27 · Last synced 2026-08-04

CyberRota Analysis

This is a high severity vulnerability with a CVSS score of 8.8. Public exploit code or proof-of-concept references have been detected in its references. It may be remotely exploitable.

Public Exploit Signal

A public exploit, PoC, GitHub repository or Metasploit reference was detected for this CVE.

Detected Signals
exploit
GitHub PoC Links

Note: these links are listed for security research and verification purposes only.

CVE
CVE-2025-12240
Severity
HIGH
CVSS
8.8
EPSS
0.77%

Original NVD Description

A security vulnerability has been detected in TOTOLINK A3300R 17.0.0cu.557_B20221024. This affects the function setDmzCfg of the file /cgi-bin/cstecgi.cgi. The manipulation of the argument ip leads to buffer overflow. It is possible to initiate the attack remotely. The exploit has been disclosed publicly and may be used.

Related CVEs

Other vulnerabilities affecting the same vendor(s)