by Kastro
Paper/Archive/CVE-2024-8408

CVE-2024-8408

Linksys WRT54G — Linksys WRT54G POST Parameter apply.cgi validate_services_port stack-based overflow

EPSS 0.8%public exploitCVSS 9.8
critical.is priorityof 100
50
CVSS 9.8 (NVD)9.8 / 10 × 3029.4Not in CISA KEV+300.0EPSS percentile 55.0.550 × 2011.0Exploit: SSVC poc+1010.0SSVC exploitation: poc+100.0
Description · from the CVE record

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

ProductAffectedFixed inSource
WRT54G4.21.5–CNA
wrt54g4.21.5–CISA-ADP

Scores by source

NVD9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
VulDB (CNA)6.3CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
VulDB (CNA)6.3CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
VulDB (CNA)5.3CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N
CISA ADPSSVCExploitation: poc · Automatable: no · Technical impact: partial

References

writeupvuldb.com/?id.276488refvuldb.com/?ctiid.276488writeupvuldb.com/?submit.398567exploitgithub.com/BuaaIOTTeam/Iot_Linksys/blob/main/Linksys_WRT54G_validate_services_port.mdreflinksys.com