CVE-2023-43261

HIGHNVD 7.58.3
EchelonGraph scoreHIGH confidence

Score elevated to 8.3 because EPSS predicts 59% probability of exploitation within the next 30 days (top 1.0% of all CVEs). NVD baseline CVSS 7.5 retained for reference. Confidence: see factors.

Triggered by: EPSS exploit prediction ≥85%
Sources: epss, ghsa, nvd
Weaponized
7.5
EchelonGraph verdictPatch this weekExploitation is likely or a public exploit exists.
  • High exploitation likelihood — EPSS 59%
CISA-KEV: Not listedEPSS: 59%CVSS: 7.5Exploit: NoneExposed: 0

No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.

An information disclosure in Milesight UR5X, UR32L, UR32, UR35, UR41 before v35.3.0.7 allows attackers to access sensitive router components.

CVSS v3
7.5
EG Score
8.3(high)
EG Risk
78(Attend)
EG Risk 78/100SSVC: Attend

EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).

How it’s computed
Severity83% × 45%
Exploitation65% × 40%
Automatability100% × 15%
Action: Remediate soon — notable exploitation risk.
EPSS
99.0%
KEV
Not listed

Published

October 4, 2023

Last Modified

July 9, 2026

Advisory Details (3)

Auto-updated Jul 4, 2026
No patch confirmed yet.
generic

GitHub - win3zz/CVE-2023-43261: CVE-2023-43261 - Credential Leakage Through Unprotected System Logs and Weak Password Encryption · GitHub

https://github.com/win3zz/CVE-2023-43261
generic

Milesight | 5G, AI, IoT and LoRaWAN®

http://milesight.com

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

Data Freshness Timeline

(refreshed 11× in last 7d / 31× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

  1. 2026-07-24 14:16 UTCEPSS rescore
  2. 2026-07-23 14:16 UTCEPSS rescore
  3. 2026-07-23 14:16 UTCEPSS rescore
  4. 2026-07-23 02:26 UTCEG score recompute 0.80
  5. 2026-07-22 23:13 UTCEG score recompute 1.50
  6. 2026-07-22 14:06 UTCEPSS rescore
  7. 2026-07-21 15:23 UTCEPSS rescore
  8. 2026-07-21 15:23 UTCEPSS rescore
  9. 2026-07-20 17:06 UTCEPSS rescore
  10. 2026-07-19 14:29 UTCEPSS rescore
  11. 2026-07-19 02:27 UTCEPSS rescore
  12. 2026-07-16 17:01 UTCEPSS rescore
  13. 2026-07-16 17:01 UTCEPSS rescore
  14. 2026-07-15 16:56 UTCEPSS rescore
  15. 2026-07-15 16:56 UTCEPSS rescore
  16. 2026-07-13 22:28 UTCEPSS rescore
  17. 2026-07-13 22:28 UTCEPSS rescore
  18. 2026-07-13 06:11 UTCEPSS rescore
  19. 2026-07-13 06:11 UTCEPSS rescore
  20. 2026-07-11 08:26 UTCEPSS rescore
  21. 2026-07-11 08:26 UTCEPSS rescore
  22. 2026-07-09 19:08 UTCEPSS rescore
  23. 2026-07-06 16:26 UTCEPSS rescore
  24. 2026-07-06 16:26 UTCEPSS rescore
  25. 2026-07-06 02:22 UTCEPSS rescore
Show 42 more
  1. 2026-07-05 02:29 UTCEPSS rescore
  2. 2026-07-01 15:05 UTCEPSS rescore
  3. 2026-06-27 03:07 UTCEPSS rescore
  4. 2026-06-27 03:07 UTCEPSS rescore
  5. 2026-06-25 13:48 UTCEPSS rescore
  6. 2026-06-25 13:48 UTCEPSS rescore
  7. 2026-06-24 14:04 UTCEPSS rescore
  8. 2026-06-24 14:04 UTCEPSS rescore
  9. 2026-06-23 21:31 UTCEPSS rescore
  10. 2026-06-23 21:31 UTCEPSS rescore
  11. 2026-06-22 14:24 UTCEPSS rescore
  12. 2026-06-22 14:24 UTCEPSS rescore
  13. 2026-06-21 01:58 UTCEPSS rescore
  14. 2026-06-21 01:58 UTCEPSS rescore
  15. 2026-06-18 17:51 UTCEPSS rescore
  16. 2026-06-17 17:51 UTCEPSS rescore
  17. 2026-06-17 17:51 UTCEPSS rescore
  18. 2026-06-16 17:51 UTCEPSS rescore
  19. 2026-06-16 17:51 UTCEPSS rescore
  20. 2026-06-15 17:47 UTCEPSS rescore
  21. 2026-06-15 17:47 UTCEPSS rescore
  22. 2026-06-12 23:10 UTCEPSS rescore
  23. 2026-06-12 23:10 UTCEPSS rescore
  24. 2026-06-08 14:16 UTCEPSS rescore
  25. 2026-06-08 14:16 UTCEPSS rescore
  26. 2026-06-07 15:23 UTCEPSS rescore
  27. 2026-06-07 15:23 UTCEPSS rescore
  28. 2026-06-06 13:46 UTCEPSS rescore
  29. 2026-06-06 13:46 UTCEPSS rescore
  30. 2026-06-02 20:12 UTCEPSS rescore
  31. 2026-06-02 20:12 UTCEPSS rescore
  32. 2026-05-31 00:15 UTCEPSS rescore
  33. 2026-05-31 00:15 UTCEPSS rescore
  34. 2026-05-28 13:44 UTCEPSS rescore
  35. 2026-05-28 13:43 UTCEPSS rescore
  36. 2026-05-27 13:39 UTCEPSS rescore
  37. 2026-05-27 13:39 UTCEPSS rescore
  38. 2026-05-26 07:18 UTCEPSS rescore
  39. 2026-05-26 07:18 UTCEPSS rescore
  40. 2026-05-26 07:18 UTCEPSS rescore
  41. 2026-05-24 16:32 UTCEG score recompute
  42. 2026-05-24 16:32 UTCGHSA enrichment

Publicly available exploits

(2 references)

Working exploit code is in the public domain (1 GitHub PoC). Defenders should treat patch urgency accordingly — public PoCs typically lead to mass-exploitation within 24-72 hours.

  • GitHub PoCwin3zz/CVE-2023-43261
    First seen Sep 28, 2023

    CVE-2023-43261 - Credential Leakage Through Unprotected System Logs and Weak Password Encryption

    Open source ↗
  • Nucleihttp/cves/2023/CVE-2023-43261.yaml
    First seen Jan 1, 2023

    Milesight Routers - Information Disclosure

    Open source ↗

Frequently asked(5)

What is CVE-2023-43261?
CVE-2023-43261 is a high vulnerability published on October 4, 2023. An information disclosure in Milesight UR5X, UR32L, UR32, UR35, UR41 before v35.3.0.7 allows attackers to access sensitive router components.
When was CVE-2023-43261 disclosed?
CVE-2023-43261 was first published in the National Vulnerability Database on October 4, 2023, with the most recent update on July 9, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2023-43261 actively exploited?
CVE-2023-43261 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 99.0% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2023-43261?
CVE-2023-43261 has a CVSS v3 base score of 7.5 (NVD). EchelonGraph synthesises NVD + CISA KEV + FIRST EPSS + GHSA into a combined EG score of 8.3.
How do I remediate CVE-2023-43261?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2023-43261, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

Explore the affected products and dependency analysis for CVE-2023-43261

Explore →

Is Your Infrastructure Affected by CVE-2023-43261?

EchelonGraph automatically scans your cloud infrastructure and maps CVE exposure using blast radius analysis.