Public proof of concept

CVE-2025-14659

A public proof of concept exists; no exploitation attested.

Published2025-12-14
WeaknessCWE-74 · CWE-77

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

Description

A vulnerability was detected in D-Link DIR-860LB1 and DIR-868LB1 203b01/203b03. Affected is an unknown function of the component DHCP Daemon. The manipulation of the argument Hostname results in command injection. It is possible to launch the attack remotely. The exploit is now public and may be used.

Timeline

dates in UTC

2025-12-1412:16CVE publishedNVD
2026-10-2319:23First public proof of conceptPoC-in-GitHub

Observed activity

isMalicious corpus · updated 2026-10-23 18:48 UTC

Indicators tagged with this CVE, per day0 indicators over 7 days

Block these indicators

Firewall list (EDL, text): https://api.ismalicious.com/edl/cve/CVE-2025-14659?format=txt
CSV export: https://api.ismalicious.com/edl/cve/CVE-2025-14659?format=csv
TAXII collection of exploited CVEs
The EDL and CSV take an API key on the Pro plan.

Versions per branch

NVD

Dlink dir-860l b1 firmwareversion to verify

Branch	Affected	Fixed in	Source
203.x	≤ 203b03	no fix published	NVD

Dlink dir-868l b1 firmwareversion to verify

Branch	Affected	Fixed in	Source
203.x	≤ 203b01	no fix published	NVD

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Fix

Advisories and patches

tzh00203.notion.siteMitigation
tzh00203.notion.siteMitigation

Detection

read 2026-10-23 19:24 UTC

Nuclei template: none so far
Exploit-DB: no entry
Proof-of-concept repositories: 1 repository, unverifiedPeterLinccl/CVE-2025-14659-DIR-860L

Sources

CISA-ADPSSVC decisionpoc2025-12-15
OpenCVESSVC decisionpoc—
CNACVSS 4.07.4read 2026-10-23
CNACVSS 3.18.8read 2026-10-23
NVDCVSS 3.19.8read 2026-10-23
CNACVSS 2.09read 2026-10-23
CNAweakness (CWE)CWE-74, CWE-77read 2026-10-23
NVDweakness (CWE)CWE-77read 2026-10-23
FIRST EPSSEPSS score3.8 %2026-10-22
PoC-in-GitHubproof of concept1read 2026-10-23

Technical details

CVSS v3 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS 4.0 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
Published: 2025-12-14
Last Modified: 2026-10-07
NVD status: Analyzed

Frequently asked questions

What is CVE-2025-14659?

Is CVE-2025-14659 actively exploited?

A proof-of-concept exploit exists for CVE-2025-14659, but active exploitation has not been confirmed at this time.

What is the CVSS score for CVE-2025-14659?

CVE-2025-14659 has a CVSS v3 base score of 9.8 (CRITICAL severity), with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

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Surveillance reads the versions in your stack — a domain, a lockfile or a list — checks each CVE against the ranges its sources publish, and alerts you when one you run is exploited or enters CISA KEV. A version it cannot read stays « version not verified ».

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