Paper/Archive/CVE-2022-40855

CVE-2022-40855

mitre — Tenda W20E router V15.11.0.6 contains a stack overflow in the function formSetPortMapping with post request 'goform/setPortMapping/'.

EPSS 14%public exploit CVSS 9.8

critical.is priorityof 100

CVSS 9.8 (NVD, ADP agree)9.8 / 10 × 3029.4 Not in CISA KEV+300.0 EPSS percentile 96.6.966 × 2019.3 Exploit: SSVC poc+1010.0 SSVC exploitation: poc+100.0

Description · from the CVE record

Tenda W20E router V15.11.0.6 contains a stack overflow in the function formSetPortMapping with post request 'goform/setPortMapping/'. This vulnerability allows attackers to cause a Denial of Service (DoS) or Remote Code Execution (RCE) via the portMappingServer, portMappingProtocol, portMappingWan, porMappingtInternal, and portMappingExternal parameters.

Affected

ProductAffectedFixed inSource

n/an/a–CNA

Scores by source

CISA ADP9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

NVD9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CISA ADPSSVCExploitation: poc · Automatable: yes · Technical impact: total

References

refgithub.com/CPSeek/Router-vuls/blob/main/Tenda/W20E/formSetPortMapping.md