What’s Vulnerable › Vulnerabilities
CVE-2021-40856
- Severity: high (CVSS 7.5 v3.1)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 50.1% probability of exploitation in the next 30 days
- Public exploit or detection template: yes
- Published: 2021-12-13 · updated 2026-06-17
- Weakness: CWE-706
Description
Auerswald COMfortel 1400 IP and 2600 IP before 2.8G devices allow Authentication Bypass via the /about/../ substring.
Affected products
- Auerswald Comfortel 1400 Ip Firmware: through 2.8f
- Auerswald Comfortel 2600 Ip Firmware: through 2.8f
- Auerswald Comfortel 3600 Ip Firmware: through 2.8f
References
- http://packetstormsecurity.com/files/165162/Auerswald-COMfortel-1400-2600-3600-IP-2.8F-Authentication-Bypass.html
- https://www.redteam-pentesting.de/en/advisories/-advisories-publicised-vulnerability-analyses
- https://www.redteam-pentesting.de/en/advisories/rt-sa-2021-004/-auerswald-comfortel-1400-2600-3600-ip-authentication-bypass
- http://packetstormsecurity.com/files/165162/Auerswald-COMfortel-1400-2600-3600-IP-2.8F-Authentication-Bypass.html
- https://www.redteam-pentesting.de/en/advisories/-advisories-publicised-vulnerability-analyses
- https://www.redteam-pentesting.de/en/advisories/rt-sa-2021-004/-auerswald-comfortel-1400-2600-3600-ip-authentication-bypass
Get alerted when CVE-2021-40856 or the next vulnerability affects your stack