Cyber Posture

CVE-2026-7690

MediumPublic PoC

Published: 03 May 2026

Published
03 May 2026
Modified
07 May 2026
KEV Added
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Patch
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CVSS Score 6.3 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
EPSS Score 0.0033 56.1th percentile
Risk Priority 13 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2026-7690 is a medium-severity Injection (CWE-74) vulnerability in Wavlink Wl-Wn570Ha1 Firmware. Its CVSS base score is 6.3 (Medium).

Operationally, exploitation aligns with the MITRE ATT&CK technique Exploit Public-Facing Application (T1190); ranked in the top 43.9% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog; a public proof-of-concept is referenced.

Threat & Defense at a Glance

What attackers do: exploitation maps to Exploit Public-Facing Application (T1190) and 1 other technique.
Threat & Defense Details

Likely Mitigating ControlsAI

Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.

SA-11 Developer Testing and Evaluation
addresses: CWE-74

Developer assessments and testing (including injection-focused techniques) identify improper neutralization of special elements, and the verifiable flaw remediation corrects them pre-deployment.

SI-4 System Monitoring
addresses: CWE-74

Identifies indicators of injection attacks (command, SQL, LDAP, etc.) via anomaly and attack monitoring.

MITRE ATT&CK Enterprise TechniquesAI

T1190 Exploit Public-Facing Application Initial Access
Adversaries may attempt to exploit a weakness in an Internet-facing host or system to initially access a network.
attack.mitre.org →
T1059.004 Unix Shell Execution
Adversaries may abuse Unix shell commands and scripts for execution.
attack.mitre.org →
Why these techniques?

Remote command injection in public-facing CGI endpoint directly enables exploitation of public-facing apps and Unix shell command execution.

Confidence: HIGH · MITRE ATT&CK Enterprise v18.1

NVD Description

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…

more

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 V1410_221110 has been removed from our website." This vulnerability only affects products that are no longer supported by the maintainer.

Deeper analysisAI

Automated synthesis unavailable for this CVE.

Details

CWE(s)
CWE-74CWE-77

Affected Products

wavlink
wl-wn570ha1 firmware
r70ha1_v1410_221110

CVEs Like This One

CVE-2026-2615Same vendor: Wavlink
CVE-2026-3662Same vendor: Wavlink
CVE-2026-3612Same vendor: Wavlink
CVE-2026-2529Same vendor: Wavlink
CVE-2026-3661Same vendor: Wavlink
CVE-2025-10324Same vendor: Wavlink
CVE-2024-39785Same vendor: Wavlink
CVE-2024-39367Same vendor: Wavlink
CVE-2024-39763Same vendor: Wavlink
CVE-2024-39781Same vendor: Wavlink

References