CVE-2024-8408

MEDIUM EPSS 50.4%
Published Sep 4, 20241y ago · Modified Jun 17, 20261w ago
5.3 CVSS 4.0
Medium
Find Similar
Published Sep 4, 2024 1y ago
Last Modified Jun 17, 2026 1w ago

Description

A vulnerability was found in Linksys WRT54G 4.21.5. It has been rated as critical. Affected by this issue is the function validate_services_port of the file /apply.cgi of the component POST Parameter Handler. The manipulation of the argument services_array leads to stack-based buffer overflow. The attack may be launched remotely. The exploit has been disclosed to the public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

CVSS Details

Base Score
5.3
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:X/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
50.4% percentile
Exploit & Patch Status
Public Exploit Known
No Patch Available

Weaknesses 2

CWE-121
CWE-787 Out-of-bounds Write Memory Safety

Affected Products 2

VendorProductVersionRange
linksyswrt54g_firmware4.21.5any
linksyswrt54g*any

References 5

  • github.com https://github.com/BuaaIOTTeam/Iot_Linksys/blob/main/Linksys_WRT54G_validate_services_port.md
    ExploitThird Party Advisory
  • vuldb.com https://vuldb.com/?ctiid.276488
    Permissions Required
  • vuldb.com https://vuldb.com/?id.276488
    Permissions Required
  • vuldb.com https://vuldb.com/?submit.398567
    Third Party AdvisoryVDB Entry
  • linksys.com https://www.linksys.com/
    Product

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.