CVE-2023-41348
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 · uneditedASUS RT-AX55’s authentication-related function has a vulnerability of insufficient filtering of special characters within its code-authentication module. An authenticated remote attacker can exploit this vulnerability to perform a Command Injection attack to execute arbitrary commands, disrupt the system or terminate services.
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 · high confidenceThe ASUS RT-AX55 router contains a command injection vulnerability in its code-authentication module. The authentication function fails to properly filter special characters in user input, allowing an authenticated remote attacker to inject and execute arbitrary OS commands with the privileges of the web server process.
Verify against the referenced sources before acting — the references below are authoritative for this CVE, this summary is not.
Affected products & versions What the vendor confirmedThe version ranges the vendor confirmed as vulnerable. If your version sits inside a range here, treat yourself as exposed until you have upgraded.
NVD · CPE data= 3.0.0.4.386.51598CVSS 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
- Low
- User interaction
- None
- Scope
- Unchanged
- Confidentiality
- High
- Integrity
- High
- Availability
- High
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/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.
-
Confirm device model is ASUS RT-AX55Access the router's web management interface and check the device information page, or check the label on the device itselfAffected if The device is not an ASUS RT-AX55 router
-
Check the installed firmware versionNavigate to the router's administration page, usually under 'Firmware Version' or 'System Information' in the settings, and note the exact firmware build numberAffected if The firmware version is 3.0.0.4.386.51598
-
Verify if the web management interface is accessible from untrusted networksCheck your router's WAN/Internet access settings under 'Administration' or 'System' to see if 'Web Access from WAN' or 'Remote Management' is enabledAffected if Remote web management is enabled and accessible from the Internet or untrusted LAN segments
-
Determine if default or weak administrator credentials are in useAttempt to log into the router's web interface using default ASUS credentials (admin/admin) or check if the password meets strong complexity requirementsAffected if Default credentials are still active or a weak password is configured
You are affected if you have an ASUS RT-AX55 router running firmware version 3.0.0.4.386.51598 with remote web management exposed to untrusted networks or with weak authentication credentials.
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 dataApply the vendor-supplied firmware update when available. Until then, restrict access to the router's web management interface to trusted IP addresses only and use strong administrator credentials to limit the pool of potential authenticated attackers.
- Consultation2.0 h
- Implementation4.0 h
- Testing2.0 h
- Review / QA1.0 h
An estimate, not a bill — we confirm scope with you before any work starts. Need it this week? Rush from $2,560.
Scan for this in your stack
Free · runs locallyCheck whether your project pulls in CVE-2023-41348 — 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-2023-41348 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