CVE-2021-43164 is a high-severity Remote Code Execution (RCE) vulnerability affecting Ruijie Networks Ruijie RG-EW Series Routers running ReyeeOS up to version 1.55.1915 / EW_3.0(1)B11P55. This flaw, found in the updateVersion function within /cgi-bin/luci/api/wireless, allows an authenticated attacker to execute arbitrary code on the device. With a CVSS score of 8.8, it presents a significant risk due to its network-based attack vector, low attack complexity, and potential for complete compromise of confidentiality, integrity, and availability. While not currently listed on the CISA KEV catalog or showing widespread community discussion or media coverage, an authenticated exploit for this vulnerability is publicly available on ExploitDB.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
<= 1.55.1915_ew_3.0\(1\)b11p55CPE matchmatch criteria | cpe:2.3:o:ruijienetworks:reyeeos:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.3 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
Remediation records are not available for this CVE.