TI-2018-07889 Aliases CVE-2018-11116 GHSA-9jrm-6fhc-fqrh

OpenWrt mishandles access control in /etc/config/rpcd and the /usr/share/rpcd/acl.d…

MEDIUM 45CWE-732Published 2018-06-19 · Updated 2024-08-05

Key facts

Attack vector: Network
Privileges required: Low
User interaction: None
Attack complexity: Low
Impact type: —
Confidentiality · integrity · availability: High · High · High
Fix status: No fix listed

Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA.

Summary

OpenWrt mishandles access control in /etc/config/rpcd and the /usr/share/rpcd/acl.d files, which allows remote authenticated users to call arbitrary methods (i.e., achieve ubus access over HTTP) that were only supposed to be accessible to a specific user, as demonstrated by the file, log, and service namespaces, potentially leading to remote Information Disclosure or Code Execution. NOTE: The developer disputes this as a vulnerability, indicating that rpcd functions appropriately

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV

EPSS 0.02836 86th 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: None
Automatable: No
Technical impact: Total

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

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
—	—	all versions	—	No fix listed	CNA

— Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPE	Versions	Role	Vendor
cpe:2.3:o:openwrt:openwrt:-:::::::*	not specified by NVD	Vulnerable	openwrt

cpe:2.3:o:openwrt:openwrt:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·openwrt

Remediation

No fixed version listed by the sources yet.

Timeline

2026-10-02 Threatist record created from CVE-2018-11116
2026-10-03 Alias added: GHSA-9jrm-6fhc-fqrh

References

Advisory 1

http://blog.hac425.top/2018/05/16/openwrt_rpcd_acl_fail.html

Other 1

https://forum.openwrt.org/t/rpcd-vulnerability-reported-on-vultdb/16497/3

TI-2024-13053 Improper input validation in MediaTek MT6890, MT7915, MT7916, MT7981, MT7986 CVSS 3.1CRITICAL 9.8
TI-2026-44983 Cross-site scripting in openwrt CVSS 3.1CRITICAL 9.6
TI-2026-40045 OpenWrt: EAD Integer Underflow → Pre-Auth Denial of Service CVSS 3.1MEDIUM 6.5
TI-2023-09914 LuCI openwrt-22.03 branch git-22.361.69894-438c598 was discovered to contain a stored… CVSS 3.1MEDIUM 5.4
TI-2026-44982 OpenWrt: ACL bypass and arbitrary root file read via cgi-io cgi-download CVSS 3.1MEDIUM 4.9
TI-2026-23701 OpenWrt Project has a Stack-based Buffer Overflow vulnerability via IPv6 reverse DNS lookup CVSS 4.0CRITICAL 9.5

See all 136 →

Sources

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