WAVLINK WN536AX6-A VPN Client List ioos sub_41a7c0 missing authentication
Affects WAVLINK WN536AX6-A running firmware M36AX6_V260507_2.0.0-WO-d173724. CVSS scores it 6.9 (medium), and no vendor rating or fix is listed.
Written by anthropic/claude-haiku-5.5 from the sources below. Verify against them.
- Last modified
- Where the record stands: published, rejected by its publisher, or superseded by another id.What do these mean? →
- Published
- Whether CISA lists it in its Known Exploited Vulnerabilities catalog: proof that attackers are using it.What do these mean? →
- Not listed in CISA KEV
- A 0-100 score for how much a CVE matters across the industry: exploitation, exposure, how widely the software is used, severity and whether a fix exists.What do these mean? →
- 19/100 · provisional
- How many real-world setups can hit the bug, from the vendor's advisory and CISA data. It does not know your setup.What do these mean? →
- Unclear
- Whether working attack code is public (Exploit-DB, Metasploit, Nuclei or GitHub). Public code makes attacks easier.What do these mean? →
- None on Exploit-DB, Metasploit or GitHub
Summary
The WAVLINK WN536AX6-A router firmware, specifically its VPN Client List handler component (/bin/ioos), is affected. A remote attacker could exploit missing authentication checks to access or manipulate VPN client list functions without proper credentials.
Read the original description
A vulnerability was detected in WAVLINK WN536AX6-A V260507_2.0.0. Impacted is the function sub_416d48/sub_41a7c0 of the file /bin/ioos of the component VPN Client List Handler. Performing a manipulation of the argument opt results in missing authentication. The attack can be initiated remotely. The exploit is now public and may be used. The vendor was contacted early about this disclosure.
What to do
Workaround: The available facts list no workaround or interim fix. Check the vendor advisory for any mitigation steps while an update is pending.
Timeline
- CVE published
- First seen by cve.now
Affected versions
- WAVLINK WN536AX6-A
V260507_2.0.0
Evidence 5
- Advisory
- Advisory
- Advisory
- Advisory
- Exploit
Corrections
None so far.
Something wrong on this page? Report an error. Every fix is listed here.
Questions about CVE-2026-120278
What does this mean?
An unauthenticated attacker on the same network can list the router's VPN client configuration. This includes OpenVPN and WireGuard peer and server addresses, group or file identifiers, and config paths.Source: github.com
Am I affected, and how do I check?
The listed affected firmware is M36AX6_V260507_2.0.0-WO-d173724 on the WAVLINK WN536AX6-A. The available facts give no version ranges, so compare the firmware build on the device with that string.Source: github.com
What should I do about it?
No fixed version is named in the available facts, so check the WAVLINK vendor channels for an update before relying on any particular release.Source: github.com
Is it being exploited?
It is not in CISA's Known Exploited Vulnerabilities catalog, and CISA's SSVC assessment does not mark exploitation as active. That does not mean it has not been attacked: vendors and researchers can report attacks before CISA lists them. No public exploit code is tracked.Source: cve.now feed data
What if there's no patch?
The available facts list no workaround or interim fix. Check the vendor advisory for any mitigation steps while an update is pending.Source: github.com