CVE-2025-15194: A vulnerability was found in D-Link DIR-600 up to 2.15WWb02

This week

CRITICAL 9.8REMOTEMITIGATE

CVE-2025-15194 is a critical-severity flaw (CVSS 9.8) affecting dir-600 firmware. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

A vulnerability was found in D-Link DIR-600 up to 2.15WWb02. Affected by this vulnerability is an unknown functionality of the file hedwig.cgi of the component HTTP Header Handler. The manipulation of the argument Cookie results in stack-based buffer overflow. It is possible to launch the attack remotely. The exploit has been made public and could be used. This vulnerability only affects products that are no longer supported by the maintainer.

Why this priority

Critical severity
Public exploit reference
CISA SSVC: automatable with total technical impact
Remotely exploitable, no login, no user action

A fixed release or distro patch exists.

Risk facts

CVSS score	9.8 (Critical)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	1.2% (top 32%)
CISA exploited list	No
Weakness	CWE-119, CWE-121
Published	2025-12-29
Last modified	2026-10-07

Publisher (CNA): VulDB · Vendor: dlink

Last updated 2026-10-07 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2025-12-29 16:15 UTCPublished CVE record published
2026-10-07 12:10 UTCUpdated Record last modified

dlink dir-600 firmware MITIGATE

Affected: 2.15ww

Fixed in: no fixed release known

Safe to downgrade to: a release before 2.15ww

Check your OS release

cat /etc/os-release; uname -r

Debian / Ubuntu

sudo apt update && sudo apt full-upgrade

RHEL / Amazon Linux / Fedora

sudo dnf upgrade --refresh

Windows

Install the latest cumulative update from Windows Update

If no patch exists yet

OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.

Exact fixes by distribution

A distro patch exists: prefer upgrading over downgrading.

Fedora 46 · amule · FIXED · 3.2.0-1.fc46 · FEDORA-2026-4feb2647b0 · source

sudo dnf upgrade --advisory=FEDORA-2026-4feb2647b0

Fedora ELN · mysql9.7 · FIXED · 9.7.4-3.eln159 · FEDORA-2026-ea1c50e49b · source

sudo dnf upgrade --advisory=FEDORA-2026-ea1c50e49b

Public exploits and detection

Public code exists for this CVE. Treat unpatched systems as at risk, and only run PoCs in a lab.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2025-15194?

dir-600 firmware: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2025-15194 being exploited?

CVE-2025-15194 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2025-15194 affect?

CVE-2025-15194 affects dir-600 firmware. Severity is critical (CVSS 9.8). A vulnerability was found in D-Link DIR-600 up to 2.15WWb02. Affected by this vulnerability is an unknown functionality of the file hedwig.cgi of the component HTTP Header Handler. The manipulation of the argument Cookie results in stack-ba

How urgent is CVE-2025-15194?

Priority 64/100. Critical severity; Public exploit reference; CISA SSVC: automatable with total technical impact; Remotely exploitable, no login, no user action

Software pages

D-Link vulnerabilities

Related CVEs

CVE-2026-2163 MEDIUM 4.7 UPGRADE A vulnerability was identified in D-Link DIR-600 up to 2.15WWb02
CVE-2024-7357 MEDIUM 6.3 UPGRADE ** UNSUPPORTED WHEN ASSIGNED ** A vulnerability was found in D-Link DIR-600 up to 2.18
CVE-2018-25115 CRITICAL 9.8 MITIGATE MITIGATE Multiple D-Link DIR-series routers, including DIR-110, DIR-412, DIR-600, DIR-610, DIR-615, DIR-645, and DIR-81
CVE-2013-10069 CRITICAL 9.8 UPGRADE UPGRADE The web interface of multiple D-Link routers, including DIR-600 rev B (≤2.14b01) and DIR-300 rev B (≤2.13), co
CVE-2013-10048 CRITICAL 9.8 UPGRADE UPGRADE An OS command injection vulnerability exists in various legacy D-Link routers—including DIR-300 rev B and DIR-

References

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