CVE-2025-29520

Name: CVE-2025-29520
Creator: NVD / NIST
Published: 2025-08-25T15:15:38.103+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5.3/10EPSS 0.54%

Last modified Jun 17, 2026

CVE-2025-29520 is a medium-severity vulnerability rated 5.3/10 on the CVSS scale. Incorrect access control in the Maintenance module of D-Link DSL-7740C with firmware DSL7740C.V6.TR069.20211230 allows authenticated attackers with low-level privileges to arbitrarily change the high-privileged account passwords and escalate privileges.. EPSS estimates a 0.54% chance of exploitation in the next 30 days.

Description

Incorrect access control in the Maintenance module of D-Link DSL-7740C with firmware DSL7740C.V6.TR069.20211230 allows authenticated attackers with low-level privileges to arbitrarily change the high-privileged account passwords and escalate privileges.

Metrics

CVSS 3.1

5.3/10

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

EPSS Probability

0.54%

41.4th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-284

Affected Software

Vendor	Product	Versions
Dlink	Dsl-7740c Firmware	6.tr069.20211230

References

https://gist.github.com/stevenyu113228/da01c377030fd8c92274feca54661202Exploit, Third Party Advisory
https://www.dlink.com/en/security-bulletin/Vendor Advisory

Timeline

Published: Aug 25, 2025
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2025-29520?

How severe is CVE-2025-29520?

CVE-2025-29520 has a CVSS score of 5.3/10 (MEDIUM severity). The EPSS model estimates a 0.54% probability of exploitation in the next 30 days.

How do I fix CVE-2025-29520?

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-2025-29520?

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

Scan your code now

Source: NVD / NIST