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Vulnerability record · CVE-2026-30702 · published 18 March 2026

CVE-2026-30702: Improper authorization vulnerability

The WiFi Extender WDR201A (HW V2.1, FW LFMZX28040922V1.02) implements a broken authentication mechanism in its web management interface. The login page does not properly enforce session validation, allowing attackers to bypass authentication by directly accessing restricted web application endpoints through forced browsing

9.8 CVSS 3.1 Critical EPSS 0.69% · top 49.3% CWE-285 · Improper authorization Awaiting Analysis
9.8CVSS 3.1 base score
0.69%EPSS exploitation probability, 30 days
NoNot in CISA KEV
0Affected product versions listed by NVD
3References
17 Jun 2026Last modified by NVD

Description

The WiFi Extender WDR201A (HW V2.1, FW LFMZX28040922V1.02) implements a broken authentication mechanism in its web management interface. The login page does not properly enforce session validation, allowing attackers to bypass authentication by directly accessing restricted web application endpoints through forced browsing

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References

LinkTags
https://mstreet97.github.io/security-research/iot/vulnerability-disclosure/cybersecurity/cve/2026/02/18/From-Blackbox-to
https://www.made-in-china.com/showroom/yeapook/#:~:text=Established%20in%202015.%2CDistrict%2C%20Shenzhen%2C%20Guangdong
https://mstreet97.github.io/security-research/iot/vulnerability-disclosure/cybersecurity/cve/2026/02/18/From-Blackbox-to

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

8.8CVE-2026-58704Android Cellular Modem improper authorization allows adjacent privilege escalationAndroid's Cellular Modem component contains a logic error that bypasses permission checks, allowing an attacker within radio/adjacent range to escala…KEVEPSS 0.59%analysed9.8CVE-2021-28799QNAP HBS 3 improper authorization allows remote loginQNAP Hybrid Backup Sync 3 (HBS 3) contains an improper authorization flaw that lets remote attackers log in to the NAS device. The issue affects mult…KEVEPSS 78%analysed

Source: NIST National Vulnerability Database (record CVE-2026-30702), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.