● High · CVSS 8.7

How to Fix CVE-2026-5982: DIR-605L (Bundle Sibling)

*By Sai Kiran Pandrala*

Last verified: 2026-05-25

⚡ At a glance


Severity	CVSS 8.7, High
Actively exploited?	No
Affected	D-link DIR-605L (2.13B01)
Fixed in	Same patched build as CVE-2026-5979
Type (CWE)	CWE-120: Buffer Overflow

CVE-2026-5982 is a sibling vulnerability in the same D-link DIR-605L advisory bundle as CVE-2026-5979. The same patched build closes every CVE in the bundle, so the remediation procedure for CVE-2026-5982 matches the primary write-up.

What is different about CVE-2026-5982?

A vulnerability was found in D-Link DIR-605L 2.13B01. This vulnerability affects the function formAdvNetwork of the file /goform/formAdvNetwork of the component POST Request Handler. Performing a manipulation of the argument curTime results in buffer overflow.

Impact is consistent with the bundle: memory corruption that can lead to code execution or a crash. The patched build closes every code path in the advisory in one update.

How to fix CVE-2026-5982

Apply the patched build per the primary write-up: How to Fix CVE-2026-5979.

For a quick check, confirm the running version of DIR-605L:


# Confirm the installed version via your package manager
dpkg -l | grep -i dir-605l   # Debian/Ubuntu
rpm -qa | grep -i dir-605l   # RHEL/CentOS/Rocky

Frequently asked questions

Is CVE-2026-5982 being actively exploited?

Not at the time of writing. It is not listed in CISA's Known Exploited Vulnerabilities catalog. That status can change, so monitor the vendor advisory and the KEV catalog if the system is exposed.

How severe is CVE-2026-5982?

CVSS rates it 8.7 (High). Use that score to set your patch priority alongside the other items in your queue.

Do I have to take DIR-605L offline to apply the patch?

It depends on the deployment. High-availability or clustered installs can usually patch one node at a time with no full outage. Standalone installs typically need a short restart. Always follow the vendor's documented upgrade steps.

What if my vulnerability scanner still flags CVE-2026-5982 after I patch?

Re-run the scan after a service restart, then confirm the scanner's plugin set is up to date. Some scanners detect by banner version only and lag the official fix metadata by a release.

References

Official vendor advisory: https://www.dlink.com/
NVD entry: https://nvd.nist.gov/vuln/detail/CVE-2026-5982
CISA KEV catalog: https://www.cisa.gov/known-exploited-vulnerabilities-catalog
Primary write-up: How to Fix CVE-2026-5979

*Written by Sai Kiran Pandrala. Last verified 2026-05-25. Part of the D-link DIR-605L advisory bundle. Full procedure at how-to-fix-cve-2026-5979.*