CVE-2025-41654
Official description Straight from the sourceThe vendor's or NVD's own wording, published unedited. Authoritative, but often terse — it says what broke, rarely what to do.
NVD · uneditedAn unauthenticated remote attacker can access information about running processes via the SNMP protocol. The amount of returned data can trigger a reboot by the watchdog.
Technical summary Written by usOur analysis, written from the advisory, the CVSS vector and the affected-version data. It adds context the advisory leaves out, and never invents facts that are not in the source.
dbcve analysis · moderate confidenceAn unauthenticated remote attacker can query the SNMP service to retrieve information about running processes. The large volume of returned data can trigger a watchdog timer expiration, causing an automatic system reboot (Denial of Service).
Verify against the referenced sources before acting — the references below are authoritative for this CVE, this summary is not.
CVSS breakdown How the score is builtThe industry scoring standard. It rates how the flaw is reached, what it takes to exploit, and what an attacker gains — the score is derived from those, not the other way round.
From the vector- Attack vector
- Network
- Complexity
- Low
- Privileges
- None
- User interaction
- None
- Scope
- Unchanged
- Confidentiality
- Low
- Integrity
- None
- Availability
- High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H
Am I affected? How to checkSteps we derive from the advisory and the affected-version data, so you can decide whether this CVE reaches your setup. They are a guide, not a scan — your own configuration is the authority.
dbcve checksWork through these to decide whether this CVE applies to you.
-
Determine if SNMP service is enabledCheck for running SNMP daemon or service: systemctl status snmpd, or check listening ports with 'netstat -an | grep 161' or 'ss -tlnp | grep 161'Affected if SNMP service is running and listening on UDP port 161
-
Identify SNMP version and configurationReview SNMP configuration files (typically /etc/snmp/snmpd.conf or /etc/snmp/snmp.conf) and check which SNMP versions are enabled (v1, v2c, v3)Affected if SNMPv1 or SNMPv2c (community-based) is enabled without additional access controls
-
Check SNMP community stringsExamine snmpd.conf for community string definitions; default communities like 'public', 'private', or vendor defaults indicate vulnerable configurationAffected if Default, weak, or no community strings are configured, allowing unauthenticated access
-
Verify SNMP access control restrictionsInspect ACL rules in snmpd.conf or firewall rules that restrict SNMP access to specific IP addresses or networksAffected if No IP-based access control lists (ACLs) are defined to restrict SNMP queries to authorized management stations
-
Confirm SNMP port exposureCheck if UDP port 161 is exposed to untrusted networks via firewall rules or if the service is bound to all interfaces (0.0.0.0)Affected if SNMP port is accessible from untrusted networks or the internet
A system is affected if SNMP service is running with unauthenticated access (SNMPv1/v2c) and is accessible without IP-based access controls, allowing remote attackers to query process information and trigger the watchdog reboot.
Generated from the published advisory. Verify against your own configuration.
Remediation Closing itWhat it takes to close this. Where a vendor fix exists we point at it; where none exists we say so plainly, and can build one. Effort estimates are scoped from the advisory, not from your codebase.
From vendor dataDisable unauthenticated SNMP access, implement SNMPv3 with authentication, or restrict SNMP access to authorized IP addresses via firewall rules or access control lists.
- Consultation4.0 h
- Implementation4.0 h
- Testing2.0 h
- Review / QA2.0 h
An estimate, not a bill — we confirm scope with you before any work starts. Need it this week? Rush from $3,488.
Scan for this in your stack
Free · runs locallyCheck whether your project pulls in CVE-2025-41654 — or any other known-vulnerable package — straight from your lock files. Free and open source; it runs locally and uploads nothing.
References Go to the primary sourcePrimary sources — vendor advisories, patches and trackers. Where our summary and a reference disagree, the reference wins.
Primary sourcesPractitioner notes
ContributedPeer-ranked notes from engineers who’ve handled CVE-2025-41654 in production — separate from our analysis above.
The advisory tells you what broke. It rarely tells you what actually worked. If you’ve dealt with this one, that detail is what the next engineer is searching for.
- The version that genuinely resolved it — not the one the vendor claimed
- A config change or rule that shut the vector down
- A gotcha in the upgrade path that cost you an afternoon
No notes yet
Be the first to add a field note for this CVE — a mitigation you’ve verified, a version caveat, or a link to a working fix. Sign in above to contribute.
A place for practitioners to share what actually worked: a mitigation you’ve tested, a configuration change, a version- or environment-specific caveat, or a link to a verified patch. The most useful notes rise to the top as peers upvote them, so the signal stays high.
- Verified mitigations, workarounds, and config changes
- Version or environment caveats, and links to real fixes
- No weaponised exploit code, or anything meant to cause harm
- No spam, self-promotion, credentials, or personal data