CVE-2026-18590 (GCVE-0-2026-18590)
Vulnerability from cvelistv5 – Published: 2026-08-03 06:45 – Updated: 2026-08-03 15:37
VLAI
EPSS
VEX
Title
Wavlink WL-NU516U1 Admin Password adm.cgi set_sys_adm os command injection
Summary
A vulnerability was determined in Wavlink WL-NU516U1 708c073-mt7628. Affected is the function set_sys_adm of the file adm.cgi of the component Admin Password Handler. This manipulation causes os command injection. The attack is possible to be carried out remotely. The exploit has been publicly disclosed and may be utilized. It is suggested to upgrade the affected component. The vendor was contacted early, responded in a very professional manner and quickly released a fixed version of the affected product.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
Assigner
References
7 references
| URL | Tags |
|---|---|
| https://vuldb.com/vuln/385418 | vdb-entrytechnical-description |
| https://vuldb.com/vuln/385418/cti | signaturepermissions-required |
| https://vuldb.com/cve/CVE-2026-18590 | third-party-advisory |
| https://vuldb.com/submit/850527 | third-party-advisory |
| https://vuldb.com/submit/850560 | third-party-advisory |
| https://github.com/oduoke567/WAVLINK-NU516U1-2026… | broken-link |
| https://dl.wavlink.com/firmware/RD/WINSTAR_NU516U… | broken-linkpatch |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Wavlink | WL-NU516U1 |
Affected:
708c073-mt7628
cpe:2.3:o:wavlink:wl-nu516u1_firmware:*:*:*:*:*:*:*:* |
Credits
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Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the
vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base
model, served locally by ML-Gateway.
They have not been verified by an analyst and are provided for guidance only.
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