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VulnerabilityPublished

CVE-2025-13562: D-Link DIR-852 · Command Injection

Affects D-Link DIR-852Source CVE Database V5

0

Public exploit available · CVSS 6.9 Medium · end of life, no fix coming : replace or isolate D-Link DIR-852; no fix will be released.

Data as of 26 Oct 2026, 11:07 UTC

CVSS 4.0 base score
6.9Medium
How severe the flaw is on the 0–10 CVSS scale.
EPSS
6.2% chance of exploitation in 30 days – higher than 93% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
Patch
None coming – the product is end of life
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 23 Nov 2025

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponised: evidence found.

    CVSS exploit maturity: proof of concept public

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq Mirage: no evidence on record.

    No attack traffic recorded by OffSeq Mirage sensors

A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), CVSS vector, the Metasploit, Exploit-DB and nuclei-templates index as of 26 Oct 2026.

What to do

No fix will be released: D-Link DIR-852 is end of life. Replace it, or isolate it from untrusted networks until you can.

Affected software

ProductAffectedFixed in
D-Link DIR-852Affected
  • =1.00
Fixed in–

AI-suggested

Given the absence of official patches, European organizations should prioritize replacing the affected D-Link DIR-852 routers with supported and updated models. Network administrators should immediately disable remote management interfaces and restrict access to router management ports to trusted internal networks only. Implement network segmentation to isolate vulnerable devices from critical infrastructure and sensitive data environments. Employ intrusion detection and prevention systems (IDS/IPS) to monitor for suspicious traffic targeting the /gena.cgi endpoint or unusual command execution patterns. Regularly audit network devices for outdated firmware and unsupported hardware to proactively identify and remediate risks. Educate users about the risks of using end-of-life network equipment and encourage timely hardware upgrades. If replacement is not immediately feasible, consider deploying firewall rules to block incoming traffic to the vulnerable CGI endpoint and limit exposure to untrusted networks. Maintain up-to-date network monitoring and incident response plans to quickly detect and respond to potential exploitation attempts.

Description

A vulnerability was identified in D-Link DIR-852 1.00. This issue affects some unknown processing of the file /gena.cgi. Such manipulation of the argument service leads to command injection. The attack can be executed remotely. The exploit is publicly available and might be used. This vulnerability only affects products that are no longer supported by the maintainer.

References

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