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Public proof of concept

CVE-2026-7854

A public proof of concept exists; no exploitation attested.

  • Published2026-05-05
  • WeaknessCWE-119 · CWE-120

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 security vulnerability has been detected in D-Link DI-8100 16.07.26A1. Affected by this vulnerability is the function url_rule_asp of the file /url_rule.asp of the component POST Parameter Handler. Such manipulation leads to buffer overflow. It is possible to launch the attack remotely. The exploit has been disclosed publicly and may be used.

Timeline

dates in UTC
  1. 2026-05-0519:16CVE publishedNVD

Observed activity

isMalicious corpus · updated 2026-10-23 21:37 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-2026-7854?format=txt
  • CSV export: https://api.ismalicious.com/edl/cve/CVE-2026-7854?format=csv
  • TAXII collection of exploited CVEs
  • The EDL and CSV take an API key on the Pro plan.

Versions per branch

NVD
Dlink di-8100 firmwareversion to verify
BranchAffectedFixed in
16.7= 16.07.26a1no fix published

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

Fix

No fix published by the sources we read yet. NVD record

Detection

Nuclei template
none so far
ProjectDiscovery
Exploit-DB
no entry
Exploit-DB
Proof-of-concept repositories
none listed
PoC-in-GitHub

Sources

  • NVDCVE recordread 2026-10-23
  • CISA-ADPSSVC decisionpoc2026-05-06
  • OpenCVESSVC decisionpoc—
  • CNACVSS 4.08.9read 2026-10-23
  • CNACVSS 3.19.8read 2026-10-23
  • CNACVSS 2.010read 2026-10-23
  • CNAweakness (CWE)CWE-119, CWE-120read 2026-10-23
  • FIRST EPSSEPSS score1.9 %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:N/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
2026-05-05
Last Modified
2026-07-24
NVD status
Analyzed

Frequently asked questions

What is CVE-2026-7854?

A security vulnerability has been detected in D-Link DI-8100 16.07.26A1. Affected by this vulnerability is the function url_rule_asp of the file /url_rule.asp of the component POST Parameter Handler. Such manipulation leads to buffer overflow. It is possible to launch the attack remotely. The exploit has been disclosed publicly and may be used.

Is CVE-2026-7854 actively exploited?

A proof-of-concept exploit exists for CVE-2026-7854, but active exploitation has not been confirmed at this time.

What is the CVSS score for CVE-2026-7854?

CVE-2026-7854 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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