CVE-2026-4497

MEDIUM EPSS 77.1%
Published Mar 20, 20263mo ago · Modified Jun 17, 20261w ago
5.5 CVSS 4.0
Medium
Find Similar
Published Mar 20, 2026 3mo ago
Last Modified Jun 17, 2026 1w ago

Description

A vulnerability was determined in Totolink WA300 5.2cu.7112_B20190227. Affected by this issue is the function recvUpgradeNewFw of the file /cgi-bin/cstecgi.cgi. This manipulation causes os command injection. Remote exploitation of the attack is possible. The exploit has been publicly disclosed and may be utilized.

CVSS Details

Base Score
5.5
Exploitability
—
Impact
—
Vector string
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/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 None
User Interaction None
Scope X

Threat Intelligence

EPSS Exploit Probability
77.1% percentile
Exploit & Patch Status
Public Exploit Known
No Patch Available

Weaknesses 2

CWE-77 Command Injection Injection
CWE-78 OS Command Injection Injection

Affected Products 2

VendorProductVersionRange
totolinkwa300_firmware5.2cu.7112_b20190227any
totolinkwa300*any

References 6

  • github.com https://github.com/hellonestor/killallbug/issues/1
    ExploitIssue Tracking
  • github.com https://github.com/user-attachments/files/25790616/Unauthenticated.Remote.Code.Execution.in.TOTOLINK.WA300.via.Command.Injection.in.recvUpgradeNewFw.zip
    Exploit
  • vuldb.com https://vuldb.com/?ctiid.352046
    Permissions RequiredVDB Entry
  • vuldb.com https://vuldb.com/?id.352046
    Third Party AdvisoryVDB Entry
  • vuldb.com https://vuldb.com/?submit.773875
    Third Party AdvisoryVDB Entry
  • totolink.net https://www.totolink.net/
    Product

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.