> CVE-2026-18590 [LOW]

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PUBLISHED
2026-08-03 08:17
MODIFIED
2026-08-03 08:17
CVSS_SCORE V3
2.1
EPSS (Prob. Exploit)
1.82%
Top 21.4%
DATA SOURCES:
NVD 🔗 2026-08-03 CWE MITRE 🔗 2026-11-01 FIRST EPSS 🔗 2026-10-25

> DESCRIPTION

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.

> AFFECTED_PRODUCTS

ℹ️ Aucun produit affecté n'a encore été publié par NVD pour cette CVE.

> CVSS V3 METRICS

CVSS_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:X

> MÉTRIQUES CVSS DÉTAILLÉES

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:X
Métrique Valeur Interprétation
AV (Vecteur d'Attaque)
Attack Vector
Network (N)
Exploit possible à distance via réseau (HTTP, API, etc.)
AC (Complexité d'Attaque)
Attack Complexity
Low (L)
Peu de conditions requises pour exploiter
PR (Privilèges Requis)
Privileges Required
Low (L)
Authentifié avec compte utilisateur basique
UI (Interaction Utilisateur)
User Interaction
None (N)
Aucune interaction utilisateur nécessaire
S (Périmètre)
Scope
Unchanged (U)
Impact reste dans le périmètre du composant compromis
C (Impact Confidentialité)
Confidentiality Impact
Low (L)
Divulgation limitée d'informations
I (Impact Intégrité)
Integrity Impact
Low (L)
Modification limitée des données possible
A (Impact Disponibilité)
Availability Impact
Low (L)
Interruption partielle du service possible

> RÉSUMÉ DES IMPACTS

Confidentialité
Low
Divulgation limitée d'informations
Intégrité
Low
Modification limitée des données possible
Disponibilité
Low
Interruption partielle du service possible

> WEAKNESSES

CWE-77 CWE-78

> CWE DETAILED DESCRIPTIONS

CWE-77: Improper Neutralization of Special Elements used in a Command - 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. | CWE-78: Improper Neutralization of Special Elements used in an OS Command - The product constructs all or part of an OS command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended OS command before it is sent to a downstream component.

> HISTORIQUE DES MODIFICATIONS

Première apparition
03/08/2026 08:17
Source: NVD
📊 ENRICHISSEMENT 01/11/2026 06:59
CWE
Champ modifié: Description CWE
Ancienne valeur:
CWE-77: Improper Neutralization of Special Elements used in a Command ('Command Injection') - The product constructs all or part of a command using externally-influenced input from an upstream compone...
Nouvelle valeur:
CWE-77: Improper Neutralization of Special Elements used in a Command - The product constructs all or part of a command using externally-influenced input from an upstream component, but it does not ne...
📊 ENRICHISSEMENT 01/09/2026 06:02
CWE
Champ modifié: Description CWE
Ancienne valeur:
N/A
Nouvelle valeur:
CWE-77: Improper Neutralization of Special Elements used in a Command ('Command Injection') - The product constructs all or part of a command using externally-influenced input from an upstream compone...
Total des modifications: 2 Dernière mise à jour: 3 days ago

> REFERENCES

https://dl.wavlink.com/firmware/RD/WINSTAR_NU516U1-WO-A-2026-07-13-4b8a21f-mt762...
https://github.com/oduoke567/WAVLINK-NU516U1-2026-05-1/blob/main/report2.md
https://vuldb.com/cve/CVE-2026-18590
https://vuldb.com/submit/850527
https://vuldb.com/submit/850560
https://vuldb.com/vuln/385418
https://vuldb.com/vuln/385418/cti
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