CVE-2025-48826: Planet WGR-500 · Use of Externally-Controlled Format String
Affects Planet WGR-500Source CVE Database V5
Not known to be exploited · CVSS 8.8 High.
Data as of 26 Oct 2026, 17:16 UTC
- EPSS
- 6.9% chance of exploitation in 30 days – higher than 94% 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 26 Oct 2026.
What to do
AI-suggested
Organizations should immediately inventory their network devices to identify any Planet WGR-500 routers running the vulnerable firmware version v1.3411b190912. Since no official patches are currently available, implement network-level mitigations such as restricting HTTP access to the management interface to trusted IP addresses only. Employ network segmentation to isolate vulnerable devices from critical systems and monitor network traffic for unusual HTTP request patterns targeting formPingCmd functionality. Disable or restrict remote management interfaces if not required. Regularly check for firmware updates from Planet and apply patches as soon as they are released. Additionally, consider deploying intrusion detection/prevention systems (IDS/IPS) with signatures targeting exploitation attempts of this vulnerability. Conduct security awareness training for network administrators to recognize and respond to potential exploitation attempts.
Description
A format string vulnerability exists in the formPingCmd functionality of Planet WGR-500 v1.3411b190912. A specially crafted series of HTTP requests can lead to memory corruption. An attacker can send a series of HTTP requests to trigger this vulnerability.