CVE-2025-54401: Planet WGR-500 · Stack-based Buffer Overflow
Affects Planet WGR-500Source CVE Database V5
Not known to be exploited · CVSS 8.8 High.
Data as of 26 Oct 2026, 06:26 UTC
- EPSS
- 0.7% chance of exploitation in 30 days – higher than 54% 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 7 Oct 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 2026-10-26.
What to do
AI-suggested
1. Immediately restrict access to the router's management interface by implementing strict firewall rules and network segmentation to limit exposure to trusted hosts only. 2. Disable or restrict the formPingCmd functionality if possible, or any HTTP services that process the 'submit-url' parameter. 3. Monitor network traffic for unusual or malformed HTTP requests targeting the router, especially those containing suspicious 'submit-url' parameters. 4. Conduct an inventory of all Planet WGR-500 devices and verify firmware versions to identify affected units. 5. Engage with the vendor to obtain or expedite security patches; if none are available, consider temporary device replacement or isolation. 6. Implement intrusion detection/prevention systems (IDS/IPS) with signatures targeting this vulnerability once available. 7. Educate network administrators about the vulnerability and enforce strict credential management to reduce the risk of privilege escalation. 8. Regularly audit network devices for unauthorized changes or signs of compromise.
Description
Multiple stack-based buffer overflow vulnerabilities exist in the formPingCmd functionality of Planet WGR-500 v1.3411b190912. A specially crafted series of HTTP requests can lead to stack-based buffer overflow. An attacker can send a series of HTTP requests to trigger these vulnerabilities.This buffer overflow is related to the `submit-url` request parameter.