CVE-2023-31447 json
user_login.cgi on Draytek Vigor2620 devices before 3.9.8.4 (and on all versions of Vigor2925 devices) allows attackers to send a crafted pa…
published 2023-08-21 3 y ago modified 2026-06-17 4 mo ago also EUVD-2023-35755
- cvss
- 9.8
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.9%
- EPSS 0.9% chance of exploitation in 30 days, percentile 61%
- public exploits
- 0
- none known
Summary
user_login.cgi on Draytek Vigor2620 devices before 3.9.8.4 (and on all versions of Vigor2925 devices) allows attackers to send a crafted payload to modify the content of the code segment, insert shellcode, and execute arbitrary code.
Patch / fix
- draytek vigor2620 3.9.8.4
CISA SSVC
- Exploitation
- none
- Automatable
- yes
- Technical impact
- total
- Assessed
- 2 y ago
Exploit prediction
0.94% chance of exploitation in the next 30 days, higher than 61% 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 |
Affected products
- draytek vigor2620
Classification
- Weakness
-
- CWE-94 Improper Control of Generation of Code
References
-
draytek.com
product
-
gist.github.com
/rrrrrrri/013c9eef64b265af4163478bfcf29ff4
third-party-advisory
Sources
- CVE List CVE-2023-31447
- NVD CVE-2023-31447
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