CVE-2025-25744

CRITICAL
2025-02-12 [email protected]
9.8
CVSS 3.1
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CVSS Vector

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

3
Analysis Generated
Mar 28, 2026 - 18:26 vuln.today
PoC Detected
Mar 05, 2025 - 19:15 vuln.today
Public exploit code
CVE Published
Feb 12, 2025 - 17:15 nvd
CRITICAL 9.8

Tags

D-Link Memory Corruption Buffer Overflow Dir 853 Firmware

Description

D-Link DIR-853 A1 FW1.20B07 was discovered to contain a stack-based buffer overflow vulnerability via the Password parameter in the SetDynamicDNSSettings module.

Analysis

D-Link DIR-853 A1 FW1.20B07 was discovered to contain a stack-based buffer overflow vulnerability via the Password parameter in the SetDynamicDNSSettings module. 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 Context

This vulnerability is classified as Out-of-bounds Write (CWE-787), which allows attackers to write data beyond allocated buffer boundaries leading to code execution or crashes. D-Link DIR-853 A1 FW1.20B07 was discovered to contain a stack-based buffer overflow vulnerability via the Password parameter in the SetDynamicDNSSettings module. Affected products include: Dlink Dir-853 Firmware.

Affected Products

Dlink Dir-853 Firmware.

Remediation

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Validate write boundaries, use memory-safe languages, enable compiler protections (ASLR, stack canaries).

Priority Score

70
Low Medium High Critical
KEV: 0
EPSS: +1.5
CVSS: +49
POC: +20

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CVE-2025-25744 vulnerability details – vuln.today
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