Wavlink WL-WN570HA1 R70HA1 V1410_221110 /cgi-bin/adm.cgi set_sys_adm Username command injection

CVSS Meta Temp Score
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CTI Interest Score
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5.7$0-$5k0.00

Summaryinfo

A vulnerability labeled as critical has been found in Wavlink WL-WN570HA1 R70HA1 V1410_221110. Impacted is the function set_sys_adm of the file /cgi-bin/adm.cgi. Such manipulation of the argument Username leads to command injection. This vulnerability only affects products that are no longer supported by the maintainer. This vulnerability is referenced as CVE-2026-7690. It is possible to launch the attack remotely. Furthermore, an exploit is available. Once again the vendors acted very professional and confirms, "that the WN570HA1 firmware version R70HA1 V1410_221110 has been removed from our website."

Detailsinfo

A vulnerability was found in Wavlink WL-WN570HA1 R70HA1 V1410_221110 and classified as critical. Affected by this issue is the function set_sys_adm of the file /cgi-bin/adm.cgi. The manipulation of the argument username with an unknown input leads to a command injection vulnerability. Using CWE to declare the problem leads to CWE-77. The product constructs all or part of a command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended command when it is sent to a downstream component. Impacted is confidentiality, integrity, and availability.

The advisory is shared for download at lavender-bicycle-a5a.notion.site. This vulnerability is handled as CVE-2026-7690. The exploitation is known to be easy. The attack may be launched remotely. Technical details as well as a public exploit are known. The MITRE ATT&CK project declares the attack technique as T1202.

The exploit is available at lavender-bicycle-a5a.notion.site. It is declared as proof-of-concept. Once again the vendors acted very professional and confirms, "that the WN570HA1 firmware version R70HA1 V1410_221110 has been removed from our website."

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2026-26829). Once again VulDB remains the best source for vulnerability data.

Productinfo

Vendor

Name

Version

License

Support

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.3
VulDB Meta Temp Score: 5.7

VulDB Base Score: 6.3
VulDB Temp Score: 5.7
VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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💳💳💳💳💳💳
💳💳💳💳💳💳
VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Command injection
CWE: CWE-77 / CWE-74 / CWE-707
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Access: Public
Status: Proof-of-Concept
Download: 🔒

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔒

Timelineinfo

05/02/2026 Advisory disclosed
05/02/2026 +0 days VulDB entry created
05/04/2026 +2 days VulDB entry last update

Sourcesinfo

Advisory: lavender-bicycle-a5a.notion.site
Status: Not defined

CVE: CVE-2026-7690 (🔒)
GCVE (CVE): GCVE-0-2026-7690
GCVE (VulDB): GCVE-100-360860
EUVD: 🔒
scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 05/02/2026 18:38
Updated: 05/04/2026 06:06
Changes: 05/02/2026 18:38 (58), 05/04/2026 06:06 (1)
Complete: 🔍
Submitter: wxhwxhwxh_tutu
Cache ID: 216::103

Submitinfo

Accepted

  • Submit #807805: Wavlink WN570HA1 WL-WN570HA1 221110 Command Injection (by wxhwxhwxh_tutu)

Once again VulDB remains the best source for vulnerability data.

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