Which versions of Dir 822K Firmware are affected by CVE-2025-13550?

Organizations using A vulnerability face moderate risk from CVE-2025-13550, a buffer overflow vulnerability rated CVSS 7.4.

Is there a public PoC exploit available for CVE-2025-13550?

Yes, a public proof-of-concept exploit is available for CVE-2025-13550. Prioritise patching immediately. EPSS: 0.1%.

How to fix or mitigate CVE-2025-13550?

Within 30 days: Identify all affected systems and apply vendor patches as part of regular patch cycle. Monitor vendor channels for patch availability.

Dir 822K Firmware CVE-2025-13550

Q: What is the CVSS score of CVE-2025-13550?

CVE-2025-13550 has a CVSS 4.0 base score of 7.4 (High). CVSS vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X. EPSS exploitation probability: 0.1%.

HIGH

Buffer Overflow (CWE-119)

2025-11-23 cna@vuldb.com

D-Link Buffer Overflow Dir 822K Firmware Dwr M920 Firmware

7.4

CVSS 4.0 · NVD

Severity by source

NVD PRIMARY

7.4 HIGH

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Lifecycle Timeline

Analysis Generated

Mar 28, 2026 - 19:23 vuln.today

PoC Detected

Dec 02, 2025 - 03:32 vuln.today

Public exploit code

CVE Published

Nov 23, 2025 - 13:15 nvd

HIGH 7.4

DescriptionCVE.org

A vulnerability was determined in D-Link DIR-822K and DWR-M920 1.00_20250513164613/1.1.50. Impacted is an unknown function of the file /boafrm/formVpnConfigSetup. Executing manipulation of the argument submit-url can lead to buffer overflow. The attack can be executed remotely. The exploit has been publicly disclosed and may be utilized.

AnalysisAI

A vulnerability was determined in D-Link DIR-822K and DWR-M920 1.00_20250513164613/1.1.50. Rated high severity (CVSS 7.4), this vulnerability is remotely exploitable, low attack complexity. Public exploit code available and no vendor patch available.

Technical ContextAI

This vulnerability is classified as Buffer Overflow (CWE-119), which allows attackers to corrupt memory to execute arbitrary code or crash the application. A vulnerability was determined in D-Link DIR-822K and DWR-M920 1.00_20250513164613/1.1.50. Impacted is an unknown function of the file /boafrm/formVpnConfigSetup. Executing manipulation of the argument submit-url can lead to buffer overflow. The attack can be executed remotely. The exploit has been publicly disclosed and may be utilized. Affected products include: Dlink Dir-822K Firmware, Dlink Dwr-M920 Firmware.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Use memory-safe languages or bounds-checking. Enable ASLR, DEP/NX, stack canaries. Use safe string functions.

CVE-2025-13550 vulnerability details – vuln.today

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