PT-2025-34654 · D Link · Dsl-7740C

Chiao-Lin Yu + 1 · Published 2025-08-25 · Updated 2025-08-25 · CVE-2025-29520

Positive Technologies (AI Summary)

CVSS v3.1

5.3

Medium

Base vector

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

Name of the Vulnerable Software and Affected Versions: D-Link DSL-7740C versions DSL7740C.V6.TR069.20211230

Description: An incorrect access control issue exists in the Maintenance module. Authenticated attackers with low-level privileges can arbitrarily change high-privileged account passwords and escalate privileges.

Recommendations: At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

Improper Access Control

Weakness Enumeration

CWE-284

Related Identifiers

BDU:2025-14834

CVE-2025-29520

Affected Products

Dsl-7740C

References · 6

• 🔥 https://gist.github.com/stevenyu113228/da01c377030fd8c92274feca54661202 · Exploit
• https://dlink.com/en/security-bulletin · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2025-29520 · Security Note
• https://osv.dev/vulnerability/CVE-2025-29520 · Vendor Advisory
• https://bdu.fstec.ru/vul/2025-14834 · Security Note
• https://twitter.com/CVEnew/status/1959992645566038084 · Twitter Post