CVE-2026-7690: A weakness has been identified in Wavlink WL-WN570HA1 R70HA1 V1410_221110

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MEDIUM 6.3MITIGATE

CVE-2026-7690 is a medium-severity flaw (CVSS 6.3) affecting wl-wn570ha1 firmware. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

A weakness has been identified in Wavlink WL-WN570HA1 R70HA1 V1410_221110. This issue affects the function set_sys_adm of the file /cgi-bin/adm.cgi. This manipulation of the argument Username causes command injection. It is possible to initiate the attack remotely. The exploit has been made available to the public and could be used for attacks. Once again the vendors acted very professional and confirms, "that the WN570HA1 firmware version R70HA1

Why this priority

EPSS top 7%: very likely to be exploited
Public exploit reference

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	6.3 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	Low
User interaction	None
EPSS exploit chance	5.5% (top 7%)
CISA exploited list	No
Weakness	CWE-74, CWE-77
Published	2026-05-03
Last modified	2026-10-26

Publisher (CNA): VulDB · Vendor: wavlink

Last updated 2026-10-26 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2026-05-03 10:16 UTCPublished CVE record published
2026-10-26 20:10 UTCUpdated Record last modified

wavlink wl-wn570ha1 firmware MITIGATE

Affected: r70ha1_v1410_221110

Fixed in: no fixed release known

Safe to downgrade to: a release before r70ha1_v1410_221110

Check your OS release

cat /etc/os-release; uname -r

Debian / Ubuntu

sudo apt update && sudo apt full-upgrade

RHEL / Amazon Linux / Fedora

sudo dnf upgrade --refresh

Windows

Install the latest cumulative update from Windows Update

If no patch exists yet

OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2026-7690?

wl-wn570ha1 firmware: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2026-7690 being exploited?

CVE-2026-7690 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2026-7690 affect?

CVE-2026-7690 affects wl-wn570ha1 firmware. Severity is medium (CVSS 6.3). A weakness has been identified in Wavlink WL-WN570HA1 R70HA1 V1410_221110. This issue affects the function set_sys_adm of the file /cgi-bin/adm.cgi. This manipulation of the argument Username causes command injection. It is possible to init

How urgent is CVE-2026-7690?

Priority 50/100. EPSS top 7%: very likely to be exploited; Public exploit reference

Related CVEs

CVE-2026-7691 MEDIUM 6.3 MITIGATE A security vulnerability has been detected in Wavlink WL-WN570HA1 R70HA1 V1410_221110
CVE-2026-7692 MEDIUM 6.3 MITIGATE A vulnerability was detected in Wavlink WL-WN570HA1 R70HA1 V1410_221110

References

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