CVE-2025-4271

Public Exploit
TOTOLINK A720R cstecgi.cgi information disclosure

Description

A vulnerability was found in TOTOLINK A720R 4.1.5cu.374. It has been declared as problematic. Affected by this vulnerability is an unknown functionality of the file /cgi-bin/cstecgi.cgi. The manipulation of the argument topicurl with the input showSyslog leads to information disclosure. The attack can be launched remotely. The exploit has been disclosed to the public and may be used.

Category

6.9
CVSS
Severity: Medium
CVSS 4.0 •
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.06%
Third-Party Advisory vuldb.com Third-Party Advisory vuldb.com
Affected: TOTOLINK A720R
Published at:
Updated at:

References

Link Tags
https://vuldb.com/?id.307375 third party advisory vdb entry technical description
https://vuldb.com/?ctiid.307375 signature vdb entry permissions required
https://vuldb.com/?submit.563444 third party advisory vdb entry
https://github.com/at0de/my_vulns/blob/main/TOTOLINK/A720R/showSyslog.md exploit
https://www.totolink.net/ product

Frequently Asked Questions

What is the severity of CVE-2025-4271?
CVE-2025-4271 has been scored as a medium severity vulnerability.
How to fix CVE-2025-4271?
To fix CVE-2025-4271, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2025-4271 being actively exploited in the wild?
It is possible that CVE-2025-4271 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2025-4271?
CVE-2025-4271 affects TOTOLINK A720R.
This platform uses data from the NIST NVD, MITRE CVE, MITRE CWE, First.org and CISA KEV but is not endorsed or certified by these entities. CVE is a registred trademark of the MITRE Corporation and the authoritative source of CVE content is MITRE's CVE web site. CWE is a registred trademark of the MITRE Corporation and the authoritative source of CWE content is MITRE's CWE web site.
© 2025 Under My Watch. All Rights Reserved.