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VulDBCVE-2024-8408

HistorySep 04, 2024 - 2:15 p.m.

CVE-2024-8408

2024-09-0414:15:15

CWE-787

CWE-121

VulDB

web.nvd.nist.gov

linksys wrt54g

critical vulnerability

stack-based buffer overflow

remote attack

exploit disclosure

vendor non-response

CVSS2

6.5

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

SINGLE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:N/AC:L/Au:S/C:P/I:P/A:P

CVSS3

9.8

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

CVSS4

5.3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/SC:N/VI:L/SI:N/VA:L/SA:N

AI Score

6.5

Confidence

High

EPSS

0.002

Percentile

61.9%

JSON

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.

Affected configurations

Nvd

Vulners

Vulnrichment

Node

linksyswrt54g_firmwareMatch4.21.5

AND

linksyswrt54gMatch-

VendorProductVersionCPE
linksyswrt54g_firmware4.21.5cpe:2.3:o:linksys:wrt54g_firmware:4.21.5:*:*:*:*:*:*:*
linksyswrt54g-cpe:2.3:h:linksys:wrt54g:-:*:*:*:*:*:*:*

Vendor	Product	Version	CPE
linksys	wrt54g_firmware	4.21.5	cpe:2.3:o:linksys:wrt54g_firmware:4.21.5:::::::*
linksys	wrt54g	-	cpe:2.3:h:linksys:wrt54g:-:::::::*

CNA Affected

[
  {
    "vendor": "Linksys",
    "product": "WRT54G",
    "versions": [
      {
        "version": "4.21.5",
        "status": "affected"
      }
    ],
    "modules": [
      "POST Parameter Handler"
    ]
  }
]

References

github.com/BuaaIOTTeam/Iot_Linksys/blob/main/Linksys_WRT54G_validate_services_port.md

vuldb.com/?ctiid.276488

vuldb.com/?id.276488

vuldb.com/?submit.398567

www.linksys.com/

CVSS2

6.5

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

SINGLE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:N/AC:L/Au:S/C:P/I:P/A:P

CVSS3

9.8

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

CVSS4

5.3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/SC:N/VI:L/SI:N/VA:L/SA:N

AI Score

6.5

Confidence

High

EPSS

0.002

Percentile

61.9%

JSON

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