CVE-2026-3715

HIGH EPSS 46.7%
Published Mar 8, 20263mo ago · Modified Jun 17, 20261w ago
7.4 CVSS 4.0
High
Find Similar
Published Mar 8, 2026 3mo ago
Last Modified Jun 17, 2026 1w ago

Description

A vulnerability was found in Wavlink WL-WN579X3-C 231124. This affects the function sub_40139C of the file /cgi-bin/firewall.cgi. Performing a manipulation of the argument del_flag results in stack-based buffer overflow. It is possible to initiate the attack remotely. The exploit has been made public and could be used. Upgrading to version 20260226 is able to mitigate this issue. You should upgrade the affected component. The vendor was contacted early, responded in a very professional manner and quickly released a fixed version of the affected product.

CVSS Details

Base Score
7.4
Exploitability
—
Impact
—
Vector string
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/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
46.7% percentile
Exploit & Patch Status
Public Exploit Known
No Patch Available

Weaknesses 2

CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer Memory Safety
CWE-121

Affected Products 2

VendorProductVersionRange
wavlinkwl-wn579x3-c_firmware231124any
wavlinkwl-wn579x3-c*any

References 5

  • dl.wavlink.com https://dl.wavlink.com/firmware/RD/WN579X3C_WAVLINK_V20260226_WO_cb3003b2.bin
    Broken Link
  • github.com https://github.com/Litengzheng/vul_db/blob/main/WL-WN579X3-C/vul_17/README.md
    ExploitThird Party Advisory
  • vuldb.com https://vuldb.com/?ctiid.349660
    Permissions RequiredVDB Entry
  • vuldb.com https://vuldb.com/?id.349660
    Third Party AdvisoryVDB Entry
  • vuldb.com https://vuldb.com/?submit.765325
    Third Party AdvisoryVDB Entry

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.