CVE-2026-7690
Command Injection in Wavlink Wl-Wn570Ha1 Firmware r70ha1_v1410_221110
Raw vector
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:XCVSS and EPSS are reproduced from their sources (NVD, FIRST EPSS). Risk Priority is our own derived reading, not an NVD score.
Summary
CVE-2026-7690 is a low-severity Injection (CWE-74) vulnerability in Wavlink Wl-Wn570Ha1 Firmware. Its CVSS base score is 2.1 (Low).
Operationally, ranked in the top 7% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog; a public proof-of-concept is referenced.
The strongest mitigations our analysis identified map to SA-11 (Developer Testing and Evaluation) and SI-10 (Information Input Validation) — see the control section below for these in your framework.
Deeper analysis AI-assisted summary
Synthesised by an AI model from the NVD description and linked references — a reading aid, not an authoritative source.
A weakness has been identified in the Wavlink WL-WN570HA1 router running firmware R70HA1 V1410_221110. The issue resides in the set_sys_adm function of /cgi-bin/adm.cgi, where improper handling of the Username argument permits command injection. The flaw is remotely reachable and has been assigned CWE-74 and CWE-77.
An authenticated attacker with low privileges can supply crafted input to the Username parameter and execute arbitrary commands on the device. Public exploit code is available, enabling remote command injection that yields limited effects on confidentiality, integrity, and availability according to the CVSS 4.0 vector.
The vendor has stated that firmware version R70HA1 V1410_221110 has been removed from its website and confirmed the product is no longer supported, indicating no official patches will be issued.
EPSS scores rose from a baseline of 0.0041 to a peak of 0.0106 after disclosure, signaling increased exploitation interest in the unsupported device.
OWASP Top 10 for Web (2025)
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2026-26829
Vulnerability Data
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.
- CWE(s)
Related Threats
CVEs Like This One
Affected Assets
Mitigating Controls
Mitigating Controls (NIST 800-53 r5) AI
Developer testing and evaluation can discover command-construction flaws before deployment.
SI-10 directly requires validation of information inputs to reject malformed or special-element content before it reaches downstream parsers.
Secure engineering principles include proper neutralization and safe command construction practices.
Mitigating Controls (ISO/IEC 27001:2022 Annex A) AI
Derived directly from the weakness types (CWEs) cited in the NVD entry via our AI-authored CWE→ISO cross-walk (authority under review) — links open the control.
Security testing in development catches injection vulnerabilities before release.
Monitoring activities can identify active injection attacks after they occur.
Secure coding standards require proper neutralization of special elements, directly addressing CWE-74.
Hardening callouts derived
DISA STIG baselines are authored against specific weaknesses. Where this CVE cites a broad weakness class, the mapping is not asserted at that abstraction (owner ruling, 2026-09-25: grade only at Base and below), so no rule is shown here rather than a rule shown against the wrong grain.
- No fine-grained STIG row for CWE-74, a class-level weakness, and none of its children carries one either.
- No fine-grained STIG row for CWE-77, a class-level weakness, and none of its children carries one either.