CVE-2026-82688: A security vulnerability has been detected in D-Link DNS-340L and DNS-345 1.01B04/1.03B06/1.04.B02/1.05b04

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CRITICAL 9.1

CVE-2026-82688 is a critical-severity flaw (CVSS 9.1) affecting affected software. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

A security vulnerability has been detected in D-Link DNS-340L and DNS-345 1.01B04/1.03B06/1.04.B02/1.05b04. This impacts an unknown function of the file /cgi-bin/virtual_vol.cgi of the component Virtual Volume Handler. The manipulation of the argument f_sharename/f_target/f_name leads to os command injection. Remote exploitation of the attack is possible. The exploit has been disclosed publicly and may be used.

Why this priority

Critical severity
CISA SSVC: public proof of concept

A fixed release or distro patch exists.

Risk facts

CVSS score	9.1 (Critical)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	High
User interaction	None
EPSS exploit chance	3.6% (top 11%)
CISA exploited list	No
Weakness	CWE-77, CWE-78
Published	2026-08-31
Last modified	2026-09-01

Publisher (CNA): VulDB

Last updated 2026-09-01 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Timeline

2026-08-31 11:16 UTCPublished CVE record published
2026-09-01 19:17 UTCUpdated Record last modified

Exact fixes by distribution

Fedora ELN · fonttools · FIXED · 4.68.0-1.eln159 · FEDORA-2026-37fa4b964c · source

sudo dnf upgrade --advisory=FEDORA-2026-37fa4b964c

Fedora 46 · fonttools · FIXED · 4.68.0-1.fc46 · FEDORA-2026-65d6c01c75 · source

sudo dnf upgrade --advisory=FEDORA-2026-65d6c01c75

Public exploits and detection

Public code exists for this CVE. Treat unpatched systems as at risk, and only run PoCs in a lab.

Write-up: github.com/dxz0069/WAVLINK-WN530H4-Command-Injection-in-set_add_routing/blob/main/DLINK-CM

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2026-82688?

No fixed release is listed yet. Watch the vendor advisory and apply any mitigation shown on this page.

Is CVE-2026-82688 being exploited?

CVE-2026-82688 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2026-82688 affect?

CVE-2026-82688 affects affected software. Severity is critical (CVSS 9.1). A security vulnerability has been detected in D-Link DNS-340L and DNS-345 1.01B04/1.03B06/1.04.B02/1.05b04. This impacts an unknown function of the file /cgi-bin/virtual_vol.cgi of the component Virtual Volume Handler. The manipulation of t

How urgent is CVE-2026-82688?

Priority 57/100. Critical severity; CISA SSVC: public proof of concept

Software pages

D-Link vulnerabilities

References

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