What is the CVSS score of CVE-2025-29515?

CVE-2025-29515 has a CVSS 3.1 base score of 9.8 (Critical). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H. EPSS exploitation probability: 0.3%.

Which versions of Dsl 7740C Firmware are affected by CVE-2025-29515?

CVE-2025-29515 presents critical security risk, a improper access control vulnerability rated CVSS 9.8.

Is there a public PoC exploit available for CVE-2025-29515?

Yes, a public proof-of-concept exploit is available for CVE-2025-29515. Prioritise patching immediately. EPSS: 0.3%.

How to fix or mitigate CVE-2025-29515?

Within 24 hours: Identify all affected systems and apply vendor patches immediately. Monitor vendor channels for patch availability.

Dsl 7740C Firmware CVE-2025-29515

CRITICAL

Improper Access Control (CWE-284)

2025-08-25 cve@mitre.org

Authentication Bypass D-Link Dsl 7740C Firmware

9.8

CVSS 3.1

CVSS VectorNVD

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Lifecycle Timeline

Analysis Generated

Mar 28, 2026 - 19:08 vuln.today

PoC Detected

Sep 02, 2025 - 18:17 vuln.today

Public exploit code

CVE Published

Aug 25, 2025 - 14:15 nvd

CRITICAL 9.8

DescriptionNVD

AnalysisAI

Incorrect access control in the DELT_file.xgi endpoint of D-Link DSL-7740C with firmware DSL7740C.V6.TR069.20211230 allows attackers to modify arbitrary settings within the device's XML database,. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and no vendor patch available.

Technical ContextAI

This vulnerability is classified under CWE-284. Incorrect access control in the DELT_file.xgi endpoint of D-Link DSL-7740C with firmware DSL7740C.V6.TR069.20211230 allows attackers to modify arbitrary settings within the device's XML database, including the administrator’s password. Affected products include: Dlink Dsl-7740C Firmware.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.