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CVE-2026-3301 - Vulnerability Analysis

CriticalCVSS: 9.8

Last Updated: February 27, 2026

Totolink N300RH - Command Injection

Published: February 27, 2026Updated: February 27, 2026PoC AvailableRemote Exploitable

Overview

Totolink N300RH 6.1c.1353_B20190305 contains a command injection caused by manipulation of the "webWlanIdx" argument in /cgi-bin/cstecgi.cgi Web Management Interface, letting remote attackers execute arbitrary OS commands, exploit requires no special privileges.

Severity & Score

Severity: Critical

CVSS Score: 9.8

EPSS Score: 290.2%(Probability of exploitation in next 30 days)

Impact

Remote attackers can execute arbitrary OS commands, potentially leading to full system compromise.

Mitigation

Update to the latest version.

References

Social Media Activity(1 post)

ZEN SecDB

@secdb

Mar 2, 2026

📈 CVE Published in last 7 days (2026-02-23 - 2026-03-02) See more at https://secdb.nttzen.cloud/dashboard Total CVEs: 974 Severity: - Critical: 145 - High: 315 - Medium: 431 - Low: 49 - None: 34 Status: - : 10 - Analyzed: 435 - Awaiting Analysis: 257 - Modified: 60 - Received: 119 - Rejected: 17 - Undergoing Analysis: 76 Top CNAs: - GitHub, Inc.: 354 - VulDB: 131 - VulnCheck: 70 - Mozilla Corporation: 52 - ICS-CERT: 51 - MITRE: 34 - Wordfence: 34 - Red Hat, Inc.: 15 - Cisco Systems, Inc.: 15 - GitLab Inc.: 13 Top Affected Products: - UNKNOWN: 459 - Mozilla Firefox: 52 - Mozilla Thunderbird: 50 - Imagemagick: 34 - Open-emr Openemr: 25 - Copeland Xweb 300d Pro Firmware: 15 - Freerdp: 15 - Copeland Xweb 500b Pro Firmware: 15 - Copeland Xweb 500d Pro Firmware: 15 - Tenda F453 Firmware: 10 Top EPSS Score: - CVE-2026-3301 - 2.90 % (https://secdb.nttzen.cloud/cve/detail/CVE-2026-3301) - CVE-2025-70328 - 2.51 % (https://secdb.nttzen.cloud/cve/detail/CVE-2025-70328) - CVE-2026-20127 - 2.19 % (https://secdb.nttzen.cloud/cve/detail/CVE-2026-20127) - CVE-2025-70327 - 1.85 % (https://secdb.nttzen.cloud/cve/detail/CVE-2025-70327) - CVE-2026-24663 - 1.35 % (https://secdb.nttzen.cloud/cve/detail/CVE-2026-24663) - CVE-2026-22553 - 0.89 % (https://secdb.nttzen.cloud/cve/detail/CVE-2026-22553) - CVE-2026-26222 - 0.85 % (https://secdb.nttzen.cloud/cve/detail/CVE-2026-26222) - CVE-2026-26331 - 0.60 % (https://secdb.nttzen.cloud/cve/detail/CVE-2026-26331) - CVE-2026-27498 - 0.59 % (https://secdb.nttzen.cloud/cve/detail/CVE-2026-27498) - CVE-2026-21658 - 0.59 % (https://secdb.nttzen.cloud/cve/detail/CVE-2026-21658)

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Details

CVE ID: CVE-2026-3301
Severity: Critical
CVSS Score: 9.8
Type: command_injection
Status: confirmed
EPSS: 290.2%
Social Posts: 1

CWE

CWE-77
CWE-78

CVSS Metrics

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

EPSS Score

290.2%Probability of exploitation in the next 30 days