CVE-2025-49151: Microsens NMP Web+ · Use of Hard-coded, Security-relevant Constants
Affects Microsens NMP Web+Source CVE Database V5
Not known to be exploited · CVSS 9.3 Critical.
Data as of 26 Oct 2026, 14:05 UTC
- EPSS
- 0.5% chance of exploitation in 30 days – higher than 48% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:NExploitation evidence
Disclosed: evidence found.
CVE published 25 Jun 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
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| Microsens NMP Web+ | Affected
| Fixed in– |
AI-suggested
Immediate mitigation should focus on restricting access to the NMP Web+ management interface to trusted networks and users only, employing network segmentation and strict firewall rules to limit exposure. Organizations should monitor network traffic and logs for unusual JWT usage or authentication bypass attempts. Since no patches are currently available, consider deploying Web Application Firewalls (WAFs) with custom rules to detect and block forged JWT tokens or anomalous authentication patterns. Additionally, organizations should engage with Microsens for updates on patch availability and apply them promptly once released. As a longer-term measure, organizations should evaluate the security posture of network management solutions, favoring products that follow best practices for secret management, such as dynamic key provisioning and avoidance of hard-coded secrets. Implementing multi-factor authentication (MFA) at the network management layer, if supported, can add an additional security barrier. Finally, conduct regular security assessments and penetration testing focused on authentication mechanisms to detect similar vulnerabilities proactively.
Description
The affected products could allow an unauthenticated attacker to generate forged JSON Web Tokens (JWT) to bypass authentication.