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Vulnerabilities

Vulnerability · CVE-2026-4183

A security vulnerability has been detected in D-Link DIR-816 1.10CNB05.

Published Mar 16, 2026 · catalog updated Jun 17, 2026 · dir-816 firmware

Check if you run it

No confirmed exploitation is on record for CVE-2026-4183. EPSS is 1.95%. Act only if a listed version of dir-816 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
1.95%
Remediation
Advisory link
Affected products
cpe dlink/dir-816 firmware

A security vulnerability has been detected in D-Link DIR-816 1.10CNB05. Affected is an unknown function of the file /goform/form2WlanBasicSetup.cgi of the component goahead. Such manipulation of the argument pskValue leads to stack-based buffer overflow. The attack can be executed remotely. The exploit has been disclosed publicly and may be used. This vulnerability only affects products that are no longer supported by the maintainer.

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/dir-816 firmware1.10cnb05

How to fix CVE-2026-4183

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-2026-4183. EPSS is 1.95%. Act only if a listed version of dir-816 firmware is installed.

Which versions are affected?

Compare what you have installed with dlink/dir-816 firmware 1.10cnb05. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

CWE-119: Buffer Overflow; CWE-121: Stack-based Buffer Overflow; CWE-787: Out-of-bounds Write. EPSS 1.95%. 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. Mar 16, 2026 · NIST NVD

    Detected

    A security vulnerability has been detected in D-Link DIR-816 1.10CNB05. Affected is an unknown function of the file /goform/form2WlanBasicSetup.cgi of the component goahead. Such manipulation of the argument pskValue leads to stack-based buffer overflow. The attack can be executed remotely. The exploit has been disclosed publicly and may be used. This vulnerability only affects products that are n

  2. Jun 17, 2026 · NIST NVD

    Updated

    A security vulnerability has been detected in D-Link DIR-816 1.10CNB05. Affected is an unknown function of the file /goform/form2WlanBasicSetup.cgi of the component goahead. Such manipulation of the argument pskValue leads to stack-based buffer overflow. The attack can be executed remotely. The exploit has been disclosed publicly and may be used. This vulnerability only affects products that are n

Sources

  • CVE.orgVulnerability recordCVE-2026-4183

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2026-4183

    30-day exploitation probability 2.0%

    first.org
  • NIST NVDVulnerability recordCVE-2026-4183

    A security vulnerability has been detected in D-Link DIR-816 1.10CNB05. Affected is an unknown function of the file /goform/form2WlanBasicSetup.cgi of the component goahead. Such manipulation of the argument pskValue leads to stack-based buffer overflow. The attack can be execute

    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.