CVE-2023-43261 in the critical feed json
An information disclosure in Milesight UR5X, UR32L, UR32, UR35, UR41 before v35.3.0.7 allows attackers to access sensitive router component…
published 2023-10-04 3 y ago modified 2026-07-09 4 mo ago also EUVD-2023-47680
- cvss
- 7.5
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 63.7%
- EPSS 63.7% chance of exploitation in 30 days, percentile 99.2%
- public exploits
- 0
- none known, plus a Nuclei check
Summary
An information disclosure in Milesight UR5X, UR32L, UR32, UR35, UR41 before v35.3.0.7 allows attackers to access sensitive router components.
Patch / fix
- milesight ur5x_firmware 35.3.0.7
- milesight ur32l_firmware 35.3.0.7
- milesight ur32_firmware 35.3.0.7
- milesight ur35_firmware 35.3.0.7
- milesight ur41_firmware 35.3.0.7
CISA SSVC
- Exploitation
- Proof of concept is public
- Automatable
- yes
- Technical impact
- partial
- Assessed
- 18 mo ago
Exploit prediction
63.67% chance of exploitation in the next 30 days, higher than 99.2% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- Nuclei template Milesight Routers - Information Disclosure nuclei detection template
- github.com https://github.com/win3zz/CVE-2023-43261 referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CISA ADP | 3.1 | 7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N |
| NVD | 3.1 | 7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N |
| CNA | 3.1 | 7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N |
Classification
- Weakness
-
- CWE-532 Insertion of Sensitive Information into Log File
References
-
github.com
/win3zz/CVE-2023-43261
exploit, third-party-advisory
-
support.milesight-iot.com
/support/home
product
- medium.com /@win3zz/inside-the-router-how-i-accessed-industrial-routers-and-reported-the-flaws-29c34213dfdf
- packetstormsecurity.com /files/176988/Milesight-UR5X-UR32L-UR32-UR35-UR41-Credential-Leakage.html
- medium.com /%40win3zz/inside-the-router-how-i-accessed-industrial-routers-and-reported-the-flaws-29c34213dfdf
Sources
- CVE List CVE-2023-43261
- NVD CVE-2023-43261
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