CVE-2025-56099: Ruijie RG-YST AP_3 · OS Command Injection
Source CVE Database V5
Not known to be exploited · CVSS 8.8 High.
Data as of 26 Oct 2026, 14:05 UTC
- EPSS
- 1.6% chance of exploitation in 30 days – higher than 76% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HExploitation evidence
Disclosed: evidence found.
CVE published 11 Dec 2025
Detectable: no evidence on record.
No public nuclei template indexed
Weaponised: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 26 Oct 2026.
What to do
AI-suggested
- Immediately restrict network access to the management interfaces of Ruijie RG-YST devices, limiting exposure to trusted administrative networks only.
- Implement strict firewall rules to block unauthorized POST requests targeting the pwdmodify endpoint or Lua scripts on these devices.
- Monitor network traffic for anomalous POST requests or command injection patterns indicative of exploitation attempts.
- Apply network segmentation to isolate vulnerable devices from critical systems and sensitive data environments.
- Engage with Ruijie support or vendors to obtain firmware updates or patches addressing this vulnerability as soon as they become available.
- If patches are unavailable, consider temporary device replacement or disabling vulnerable services to reduce attack surface.
- Conduct thorough audits of device configurations and logs to detect any signs of compromise.
- Educate network administrators on the risks and signs of exploitation related to this vulnerability.
Description
OS Command Injection vulnerability in Ruijie RG-YST AP_3.0(1)B11P280YST250F allowing attackers to execute arbitrary commands via a crafted POST request to the pwdmodify in file /usr/lib/lua/luci/modules/common.lua.
References
- 1drv.ms/t/c/12406a392c92914b/ETaD7apCrPFLtMj473NHV2gBaYrKV9A4ZZKMfyWgC949Zw?e=iyjx5g (opens in a new tab)
- 1drv.ms/f/c/12406a392c92914b/EjgEtJ5yojhDpEoT-PbidhsBzsbVnT-D-32qK1bCrQN3-g?e=cVRYgN (opens in a new tab)
- github.com/flegoity/Ruijie-Multiple-Devices-Vulnerability-Reports-for-CVE/blob/main/CVE-2025-56099.md (opens in a new tab)