CVE-2021-43118
A Remote Command Injection vulnerability exists in DrayTek Vigor 2960 1.5.1.3, DrayTek Vigor 3900 1.5.1.3, and DrayTek Vigor 300B 1.5.1.3 via a crafted HTTP message containing malformed QUERY STRING in mainfunction.cgi, which could let a remote…
Does this matter?
EPSS puts the probability of exploitation in the next 30 days at 34.8%, higher than 98% of all known CVEs. Patch or mitigate before the next change window.
Description
A Remote Command Injection vulnerability exists in DrayTek Vigor 2960 1.5.1.3, DrayTek Vigor 3900 1.5.1.3, and DrayTek Vigor 300B 1.5.1.3 via a crafted HTTP message containing malformed QUERY STRING in mainfunction.cgi, which could let a remote malicious user execute arbitrary code.
- CVSS 3.1
- 9.8 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 34.84% probability · 98th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-77
- Affected
- draytek/vigor2960 firmware · draytek/vigor3900 firmware · draytek/vigor300b firmware
- Source
- cve@mitre.org
References
- https://gist.github.com/Cossack9989/6034c077f46e4f06d0992e9f2fae7f26Exploit, Third Party Advisory
- https://gist.github.com/Cossack9989/6034c077f46e4f06d0992e9f2fae7f26Exploit, Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.