Vulnerability · Published May 5, 2025 · Assigned by VulDB

CVE-2025-4270TOTOLINK A720R Config cstecgi.cgi information disclosure

Medium 5.3

In plain English

A medium-severity information exposure in A720R from TOTOLINK. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 14.0% (higher than 97% of all known vulnerabilities).

Severity (CVSS 3.1)5.3Medium

Exploit odds (30 days)14.0%top 3.4% of all CVEs

Exploited in the wildNo reportsCISA SSVC: poc

Attack toolingNoneno public tooling known

Official description

A vulnerability was found in TOTOLINK A720R 4.1.5cu.374. It has been classified as problematic. Affected is an unknown function of the file /cgi-bin/cstecgi.cgi of the component Config Handler. The manipulation of the argument topicurl with the input getInitCfg/getSysStatusCfg leads to information disclosure. It is possible to launch the attack remotely. The exploit has been disclosed to the public and may be used.

Affected products (as reported)

Vendor	Product	Versions
TOTOLINK	A720R	4.1.5cu.374

Weakness: CWE-200, CWE-284 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

References

VDB-307374 | TOTOLINK A720R Config cstecgi.cgi information disclosure vdb-entry, technical-description
VDB-307374 | CTI Indicators (IOB, IOC, TTP, IOA) signature, permissions-required
Submit #563442 | TOTOLINK A720R V4.1.5cu.374 Exposure of Sensitive System Information to an Unauthorized Cont third-party-advisory
https://github.com/at0de/my_vulns/blob/main/TOTOLINK/A720R/getInitCfg.md related
https://github.com/at0de/my_vulns/blob/main/TOTOLINK/A720R/getSysStatusCfg.md exploit
https://www.totolink.net/ product