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CVE-2024-0769: D-Link DIR-859 Router Path Traversal Vulnerability

criticalknown exploitedCVE-2024-0769
Actively exploited. At least one CVE in this advisory is listed in the CISA Known Exploited Vulnerabilities catalog — exploitation has been observed in the wild. Treat remediation as urgent.
D-Link DIR-859 routers contain a path traversal vulnerability in the file /hedwig.cgi of the component HTTP POST Request Handler. Manipulation of the argument service with the input ../../../../htdocs/webinc/getcfg/DHCPS6.BRIDGE-1.xml allows for the leakage of session data potentially enabling privilege escalation and unauthorized control of the device. This vulnerability affects legacy D-Link products. All associated hardware revisions have reached their end-of-life (EOL) or end-of-service (EOS) life cycle and should be retired and replaced per vendor instructions.

CSIRTS triage

vendor: D-Linkproduct: DIR-859 RouterPath traversal
What
This vulnerability allows path traversal in the D-Link DIR-859 router.
Who is affected
Users of D-Link DIR-859 routers are affected, particularly legacy products.
Urgency
Remediation is urgent due to active exploitation and critical severity.
Action
Retire and replace the D-Link DIR-859 router as per vendor instructions.

AI-assisted analysis generated from the source advisory — verify against the original.

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Details

Source
CISA Known Exploited Vulnerabilities (US · database · site)
Severity
critical
Published
2025-06-25
Exploitation
Observed in the wild (CISA KEV)

Original advisory: https://nvd.nist.gov/vuln/detail/CVE-2024-0769

Exploitation outlook

EPSS (FIRST.org) estimates each CVE’s probability of exploitation in the next 30 days — here is the CSIRTS.com read on those numbers.

Referenced CVEs

CVECSIRTS overviewExternal
CVE-2024-0769coverage & exploitation statusNVD · CVE.org

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