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CVE-2025-54402VulnerabilityPublished Updated

CVE-2025-54402: Planet WGR-500 · Stack-based Buffer Overflow

Affects Planet WGR-500Source CVE Database V5

0

Not known to be exploited · CVSS 8.8 High.

Data as of 26 Oct 2026, 08:30 UTC

CVSS 3.1 base score
8.8High
How severe the flaw is on the 0–10 CVSS scale.
EPSS
0.7% chance of exploitation in 30 days – higher than 55% 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:H

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 7 Oct 2025

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponised: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq 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

1. Immediate network segmentation: Isolate Planet WGR-500 devices from critical network segments to limit attacker movement if compromised. 2. Restrict management access: Limit HTTP management interfaces to trusted IP addresses and consider disabling remote management if not required. 3. Deploy network-based intrusion detection/prevention systems (IDS/IPS) with signatures or anomaly detection tuned to detect malformed HTTP requests targeting formPingCmd parameters. 4. Monitor network traffic for unusual HTTP request patterns involving 'submit-url' and 'ipaddr' parameters. 5. Use firewall rules to block or rate-limit suspicious HTTP requests to the router’s management interface. 6. Engage with the vendor for firmware updates or patches; apply them promptly once available. 7. Consider replacing affected devices with models from vendors with active security support if patching is delayed. 8. Conduct regular security audits and vulnerability scans focusing on network infrastructure devices. 9. Educate network administrators about this vulnerability and signs of exploitation. 10. Maintain up-to-date backups of router configurations to enable rapid recovery if compromise occurs.

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` and `ipaddr` request parameters combined.

References

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