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TI-2025-31612 Aliases CVE-2025-49599GHSA-mvv2-f7c3-j32m

Incorrect authorization in Huawei EG8141A5

Priority MEDIUM 52CWE-863Published · Updated

Key facts

Attack vector
Adjacent network
Privileges required
Low
User interaction
None
Attack complexity
Low
Impact type
Security bypass
Confidentiality · integrity · availability
None · Low · None
Fix status
No fix listed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-863.

Summary

Huawei EG8141A5 devices through V5R019C00S100, EG8145V5 devices through V5R019C00S100, and EG8145V5-V2 devices through V5R021C00S184 allow the Epuser account to disable ONT firewall functionality, e.g., to remove the default blocking of the SSH and TELNET TCP ports, aka HWNO-56Q3.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00117 1st percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
Poc
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
HuaweiEG8141A5up to V5R019C00S100—No fix listedCNA
HuaweiEG8145V5up to V5R019C00S100—No fix listedCNA
HuaweiEG8145V5-V2up to V5R021C00S184—No fix listedCNA
  • EG8141A5 VendorHuawei Affected up to V5R019C00S100 Fixed in — No fix listed CNA
  • EG8145V5 VendorHuawei Affected up to V5R019C00S100 Fixed in — No fix listed CNA
  • EG8145V5-V2 VendorHuawei Affected up to V5R021C00S184 Fixed in — No fix listed CNA

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2025-49599
  2. 2026-10-03 Alias added: GHSA-mvv2-f7c3-j32m

References

Other 1

  • TI-2019-00485 Use after free in Microsoft Windows KEVCVSS 3.1CRITICAL 9.8
  • TI-2016-02580 Code injection in Apache Struts through Dynamic Method Invocation KEVCVSS 3.1HIGH 8.1
  • TI-2020-00067 Out-of-bounds write in Android KEVCVSS 3.1HIGH 7.8
  • TI-2019-01829 Use after free in Android KEVCVSS 3.1HIGH 7.8
  • TI-2017-10594 Heap-based buffer overflow in dnsmasq before 2.78 allows remote attackers to cause a… CVSS 3.1CRITICAL 9.8
  • TI-2017-12631 Improper input validation in Huawei HG532 CVSS 3.0HIGH 8.8
See all 2424 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences