How severe is CVE-2026-2526?

CVE-2026-2526 has a CVSS 2.0 base score of 6.5 (MEDIUM). EPSS estimates a 8.4% probability of exploitation in the next 30 days.

CVE-2026-2526: Wavlink WL-WN579A3 wireless.cgi multi

Description

A vulnerability was found in Wavlink WL-WN579A3 up to 20210219. This impacts the function multi_ssid of the file /cgi-bin/wireless.cgi. Performing a manipulation of the argument SSID2G2 results in command injection. The attack may be initiated remotely. The exploit has been made public and could be used. The vendor was contacted early about this disclosure but did not respond in any way.

Severity

CVSS 4.0 · CNA5.3 MEDIUM

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P

CVSS 3.1 · CNA6.3 MEDIUM

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R

CVSS 3.0 · CNA6.3 MEDIUM

CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R

CVSS 2.0 · CNA6.5 MEDIUM

AV:N/AC:L/Au:S/C:P/I:P/A:P/E:POC/RL:ND/RC:UR

SSVC · CISA-ADP

Exploitationpoc

Automatableno

Technical impactpartial

Affected Products

Vendor	Product	Affected versions
Wavlink	WL-WN579A3	20210219

References

4 Links

Exploits & PoCs

https://github.com/MRAdera/IoT-Vuls/blob/main/wavlink/wn579a3/multi_ssid.md

Third-party advisories

Submit #748073 | Wavlink WN579A3 20210219 Command Injection

Technical writeups

VDB-346114 | Wavlink WL-WN579A3 wireless.cgi multi_ssid command injection

Detection signatures

VDB-346114 | CTI Indicators (IOB, IOC, TTP, IOA)

Record Details

Published

2026-02-16

Last updated

2026-02-23

Assigner (CNA)

VulDB

Credited to

kdb3169 (VulDB User)

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Related Tool Categories

Tool categories that test for or protect against this vulnerability class.

CWE-77 · Command Injection

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CWE-74 · Injection

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CVE record data © The MITRE Corporation, used under the CVE Terms of Use. Exploited-in-the-wild data from the CISA Known Exploited Vulnerabilities catalog (CC0). Exploit prediction scores by FIRST EPSS (first.org/epss). This site is not endorsed or certified by MITRE, NVD, CISA, or FIRST.