CVE-2023-39239 json
ASUS RT-AX55、RT-AX56U_V2、RT-AC86U - Format String - 2
published 2023-09-07 3 y ago modified 2026-06-17 4 mo ago also EUVD-2023-42973
- cvss
- 7.2
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.3%
- EPSS 1.3% chance of exploitation in 30 days, percentile 70%
- public exploits
- 0
- none known
Summary
It is identified a format string vulnerability in ASUS RT-AX56U V2’s General function API. This vulnerability is caused by lacking validation for a specific value within its apply.cgi module. A remote attacker with administrator privilege can exploit this vulnerability to perform remote arbitrary code execution, arbitrary system operation or disrupt service.
CISA SSVC
- Exploitation
- none
- Automatable
- no
- Technical impact
- total
- Assessed
- 2 y ago
Exploit prediction
1.28% chance of exploitation in the next 30 days, higher than 70% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 7.2 | CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H |
Affected products
- ASUS RT-AX55
- ASUS RT-AX56U_V2
- ASUS RT-AC86U
Classification
- Weakness
-
- CWE-134 Use of Externally-Controlled Format String
References
Sources
- CVE List CVE-2023-39239
- NVD CVE-2023-39239
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