Vulnerability · Published Aug 31, 2026 · Assigned by VulDB

CVE-2026-82688D-Link DNS-340L/DNS-345 Virtual Volume virtual_vol.cgi os command injection

Critical 9.1

In plain English

A critical-severity OS command injection in DNS-340L from D-Link. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 3.6% (higher than 90% of all known vulnerabilities).

Severity (CVSS 3.1)9.1Critical

Exploit odds (30 days)3.6%top 10.5% of all CVEs

Exploited in the wildNo reportsCISA SSVC: poc

Attack toolingNoneno public tooling known

Official description

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.

Affected products (as reported)

Vendor	Product	Versions
D-Link	DNS-340L	1.01B041.03B061.04.B021.05b04
D-Link	DNS-345	1.01B041.03B061.04.B021.05b04

Weakness: CWE-78, CWE-77 · Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H/E:P/RL:X/RC:R

References

VDB-397176 | D-Link DNS-340L/DNS-345 Virtual Volume virtual_vol.cgi os command injection vdb-entry, technical-description
VDB-397176 | CTI Indicators (IOB, IOC, TTP, IOA) signature, permissions-required
CVE-2026-82688 | CVE Analysis and Report third-party-advisory
Submit #894190 | D-Link DNS-340L/DNS-345 ShareCenter DNS-340L REVA 1.01B04; DNS-345 REVA 1.03B06/1.04.B02/1.05b04 HOTFIX OS Command Injection third-party-advisory
https://github.com/dxz0069/WAVLINK-WN530H4-Command-Injection-in-set_add_routing/blob/main/DLINK-CMD-001-vulndb.md exploit
https://www.dlink.com/ product