CVE-2025-4269

Name: CVE-2025-4269
Creator: NVD / NIST
Published: 2025-05-05T07:15:48.233+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 6.9/10EPSS 0.47%

Last modified Jun 17, 2026

CVE-2025-4269 is a medium-severity vulnerability rated 6.9/10 on the CVSS scale. A vulnerability was found in TOTOLINK A720R 4.1.5cu.374 and classified as critical. This issue affects some unknown processing of the file /cgi-bin/cstecgi.cgi of the component Log Handler. EPSS estimates a 0.47% chance of exploitation in the next 30 days.

Description

A vulnerability was found in TOTOLINK A720R 4.1.5cu.374 and classified as critical. This issue affects some unknown processing of the file /cgi-bin/cstecgi.cgi of the component Log Handler. The manipulation of the argument topicurl with the input clearDiagnosisLog/clearSyslog/clearTracerouteLog leads to improper access controls. The attack may be initiated remotely. The exploit has been disclosed to the public and may be used.

Metrics

CVSS 3.1

5.3/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N

CVSS 4.0

6.9/10

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:L/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

EPSS Probability

0.47%

37.2th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Totolink	A720r Firmware	4.1.5cu.374

References

https://github.com/at0de/my_vulns/blob/main/TOTOLINK/A720R/clearDiagnosisLog.mdExploit
https://github.com/at0de/my_vulns/blob/main/TOTOLINK/A720R/clearSyslog.mdExploit
https://vuldb.com/?ctiid.307373Permissions Required, VDB Entry
https://vuldb.com/?id.307373Third Party Advisory, VDB Entry
https://vuldb.com/?submit.563430Third Party Advisory, VDB Entry
https://www.totolink.net/Product

Timeline

Published: May 5, 2025
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2025-4269?

How severe is CVE-2025-4269?

CVE-2025-4269 has a CVSS score of 6.9/10 (MEDIUM severity). The EPSS model estimates a 0.47% probability of exploitation in the next 30 days.

How do I fix CVE-2025-4269?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2025-4269?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST