CVE-2026-4543

LOW EPSS 87.3%
Published Mar 22, 20263mo ago · Modified Jun 17, 20261w ago
2.1 CVSS 4.0
Low
Find Similar
Published Mar 22, 2026 3mo ago
Last Modified Jun 17, 2026 1w ago

Description

A vulnerability was found in Wavlink WL-WN578W2 221110. The impacted element is an unknown function of the file /cgi-bin/firewall.cgi of the component POST Request Handler. Performing a manipulation of the argument dmz_flag/del_flag results in command injection. It is possible to initiate the attack 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.

CVSS Details

Base Score
2.1
Exploitability
—
Impact
—
Vector string
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/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Attack Vector Network
Attack Complexity Low
Privileges Required Low
User Interaction None
Scope X

Threat Intelligence

EPSS Exploit Probability
87.3% percentile
Exploit & Patch Status
Public Exploit Known
No Patch Available

Weaknesses 2

CWE-74
CWE-77 Command Injection Injection

Affected Products 2

VendorProductVersionRange
wavlinkwl-wn578w2_firmware221110any
wavlinkwl-wn578w2*any

References 6

  • github.com https://github.com/Litengzheng/vul_db/blob/main/WL-WN578W2/vul_4/README.md
    ExploitThird Party Advisory
  • github.com https://github.com/Litengzheng/vul_db/blob/main/WL-WN578W2/vul_5/README.md
    ExploitThird Party Advisory
  • vuldb.com https://vuldb.com/?ctiid.352360
    Permissions RequiredVDB Entry
  • vuldb.com https://vuldb.com/?id.352360
    Third Party AdvisoryVDB Entry
  • vuldb.com https://vuldb.com/?submit.774690
    Third Party AdvisoryVDB Entry
  • vuldb.com https://vuldb.com/?submit.774691
    Third Party AdvisoryVDB Entry

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.