CVE-2020-36109 json
ASUS RT-AX86U router firmware below version under 9.0.0.4_386 has a buffer overflow in the blocking_request.cgi function of the httpd modul…
published 2021-02-01 5 y ago modified 2026-06-17 4 mo ago also EUVD-2020-23687
- cvss
- 9.8
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 4.2%
- EPSS 4.2% chance of exploitation in 30 days, percentile 91%
- public exploits
- 0
- none known
Summary
ASUS RT-AX86U router firmware below version under 9.0.0.4_386 has a buffer overflow in the blocking_request.cgi function of the httpd module that can cause code execution when an attacker constructs malicious data.
Patch / fix
- asus rt-ax86u_firmware 9.0.0.4_386
Exploit prediction
4.21% chance of exploitation in the next 30 days, higher than 91% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| NVD | 2.0 | 7.5 | AV:N/AC:L/Au:N/C:P/I:P/A:P |
Classification
- Weakness
-
- CWE-120 Buffer Copy without Checking Size of Input
References
-
asus.com
/Static_WebPage/ASUS-Product-Security-Advisory/
vendor-advisory
Sources
- CVE List CVE-2020-36109
- NVD CVE-2020-36109
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