CVE-2025-29520

low-risk

Published 2025-08-25

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.

Do I need to act?

0.07% chance of exploitation

EPSS score — low exploit probability

Not on CISA KEV list

No confirmed active exploitation reported to CISA

Patch status unknown

Check vendor advisories for fix availability and mitigation guidance

CVSS 5.3/10 Medium

NETWORK / LOW complexity

Affected Products (1)

Dsl-7740C Firmware

Affected Vendors

Dlink

References (2)

Exploit https://gist.github.com/stevenyu113228/da01c377030fd8c92274feca54661202

Vendor Advisory https://www.dlink.com/en/security-bulletin/

/ 100

low-risk

Severity 21/34 · High

Exploitability 0/34 · Minimal

Exposure 5/34 · Minimal