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Vulnerabilities

Vulnerability · CVE-2026-7854

A security vulnerability has been detected in D-Link DI-8100 16.07.26A1.

Published May 5, 2026 · catalog updated Jul 24, 2026 · di-8100 firmware

Check if you run it

No confirmed exploitation is on record for CVE-2026-7854. EPSS is 1.88%. Act only if a listed version of di-8100 firmware is installed.

Gaps on this record

  • No vendor fix or required action is stored. Compare the linked advisory before you change production.
Severity
High8.9
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
1.88%
Remediation
Advisory link
Affected products
cpe dlink/di-8100 firmware

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.

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • cpe dlink/di-8100 firmware16.07.26a1

How to fix CVE-2026-7854

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

No confirmed exploitation is on record for CVE-2026-7854. EPSS is 1.88%. Act only if a listed version of di-8100 firmware is installed.

Which versions are affected?

Compare what you have installed with dlink/di-8100 firmware 16.07.26a1. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

CWE-119: Buffer Overflow; CWE-120: Classic Buffer Overflow. EPSS 1.88%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. May 5, 2026 · NIST NVD

    Detected

    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.

  2. Jul 24, 2026 · NIST NVD

    Updated

    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.

Sources

  • CVE.orgVulnerability recordCVE-2026-7854

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2026-7854

    30-day exploitation probability 1.9%

    first.org
  • NIST NVDVulnerability recordCVE-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

    nvd.nist.gov

References

Freshness

Last verified in this catalog Oct 18, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.