Home/CVE/A security vulnerability has been detected in D-Link DI-8100 16.07.26A1. Affected by this vulnerability is the function
CVE

CVE-2026-7854

A security vulnerability has been detected in D-Link DI-8100 16.07.26A1. Affected by this vulnerability is the function

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.

CRITICAL · CVSS 9.8 EPSS 0.00132
Act now
  • Public exploit or PoC is available
  • SSVC automatable: yes - attacks can be scripted at scale
  • CVSS base score ≥ 7.0
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-119Improper Restriction of Operations within the Bounds of a Memory Buffer
CWE-120Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')
▤

Affected Products & Versions

1
dlink di-8100 firmwareall versions
⚠

Public Exploits & PoCs

1
pocgithub.com · url_rule_asp_overflow.mdgithub.com
◈

Detection Rules (IDS/IPS)

1
et-openET WEB_SPECIFIC_APPS D-Link DI-8100 url_rule.asp Stack Buffer Overflow (CVE-2026-7854)web-application-attack
Open rulesets (ET Open, Snort Community, abuse.ch) link to source. Commercial rulesets are reference-only.
▣

Scoring & Timeline

9.8
CRITICAL · CVSS v3.1 · cna@vuldb.com
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD05 May 2026 · 07:16 PM
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
SSVC triage · cisa-vulnrichment
Exploitation
poc
Automatable
yes
Technical impact
total
SSVC asks the questions that actually drive patch urgency: is it being exploited, can attacks be automated, and how total is the impact.
🔗

References & Sources

4
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://vuldb.com/submit/807838Third Party AdvisoryVDB Entry
https://vuldb.com/vuln/361131Third Party Advisory
https://vuldb.com/vuln/361131/ctiPermissions RequiredVDB Entry
https://www.dlink.com/Product
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