CVE-2018-11116 Missing authorization in n/a
Authenticated users can bypass access controls to execute arbitrary ubus methods, potentially leading to information disclosure or code execution.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2018-11116?
CVE-2018-11116 is a high-severity missing authorization vulnerability in Openwrt Openwrt, published on 19 Jun 2018. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
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
Weakness: CWE-732
Which versions are affected by CVE-2018-11116?
It affects 1 product.
Products include Openwrt Openwrt.
How do I fix CVE-2018-11116?
No fix has been published for CVE-2018-11116 yet. Limit exposure of the affected software until one is available.
Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.
Is CVE-2018-11116 being exploited?
There is no known exploitation of CVE-2018-11116 in the wild and no public exploit code.
Other vulnerabilities in Openwrt Openwrt
- CVE-2020-28951 Use after free in n/a
- CVE-2026-62948 Cross-site scripting in openwrt
- CVE-2026-30871 OpenWrt Project has Stack-based Buffer Overflow in DNS PTR Query
- CVE-2026-30872 OpenWrt Project has a Stack-based Buffer Overflow vulnerability via IPv6 reverse DNS lookup
- CVE-2021-28961 Command injection in n/a
Sources
Also known as GHSA-9jrm-6fhc-fqrh.