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CVE-2024-8408

Sept. 5, 2024, 2:41 p.m.

CVSS Score

9.8 / 10

Products Impacted

Vendor Product Versions
linksys
  • wrt54g_firmware
  • wrt54g
  • 4.21.5
  • -

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.

Weaknesses

CWE-121
Stack-based Buffer Overflow

A stack-based buffer overflow condition is a condition where the buffer being overwritten is allocated on the stack (i.e., is a local variable or, rarely, a parameter to a function).

CWE ID: 121
CWE-787
Out-of-bounds Write

The product writes data past the end, or before the beginning, of the intended buffer.

CWE ID: 787

Date

Published: Sept. 4, 2024, 2:15 p.m.

Last Modified: Sept. 5, 2024, 2:41 p.m.

Status : Analyzed

CVE has had analysis completed and all data associations made.

More info

Source

cna@vuldb.com

CPEs

Type Vendor Product Version Update Edition Language Software Edition Target Software Target Hardware Other Information
o linksys wrt54g_firmware 4.21.5 / / / / / / /
h linksys wrt54g - / / / / / / /

CVSS Data

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score
9.8
Exploitability Score
3.9
Impact Score
5.9
Base Severity
CRITICAL
CVSS Vector String

The CVSS vector string provides an in-depth view of the vulnerability metrics.

View Vector String

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References