CVE-2025-63362: Unverified Password Change
Source CVE Database V5
Not known to be exploited · CVSS 9.8 Critical.
Data as of 26 Oct 2026, 14:05 UTC
- EPSS
- 0.5% chance of exploitation in 30 days – higher than 47% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HExploitation evidence
Disclosed: evidence found.
CVE published 4 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 isolate affected Waveshare RS232/485 TO WIFI ETH (B) devices from untrusted or public networks to reduce exposure.
- Restrict network access to these devices using firewall rules or network segmentation, allowing only trusted management hosts to communicate with them.
- Monitor network traffic and device logs for unusual access patterns or attempts to set blank administrator credentials.
- Implement strict access control policies and multi-factor authentication on network segments hosting these devices where possible.
- Engage with Waveshare or authorized vendors to obtain firmware updates or patches as soon as they become available.
- Consider replacing vulnerable devices with alternative solutions that have stronger security postures if patching is delayed.
- Conduct thorough security assessments of industrial and OT networks to identify all instances of this device and assess exposure.
- Educate operational technology staff about this vulnerability and the importance of monitoring and controlling device access.
- Employ network intrusion detection systems (NIDS) tuned to detect attempts to exploit authentication bypass behaviors.
- Document and update incident response plans to include scenarios involving compromise of serial-to-Ethernet gateways.
Description
Waveshare RS232/485 TO WIFI ETH (B) Serial to Ethernet/Wi-Fi Gateway Firmware V3.1.1.0: HW 4.3.2.1: Webpage V7.04T.07.002880.0301 allows attackers to set the Administrator password and username as blank values, allowing attackers to bypass authentication.