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Vulnerability record · CVE-2022-28493 · published 23 March 2023

CVE-2022-28493: Totolink cp900 firmware vulnerability

TTotolink · Cp900 Firmware

A vulnerability in TOTOLINK CP900 V6.3c.566 allows attackers to start the Telnet service,

9.8 CVSS 3.1 Critical EPSS 0.68% · top 49.7%
9.8CVSS 3.1 base score
0.68%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
2References
17 Jun 2026Last modified by NVD

Description

A vulnerability in TOTOLINK CP900 V6.3c.566 allows attackers to start the Telnet service,

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

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://github.com/B2eFly/Router/blob/main/totolink/CP900/7/7.md Broken Link
https://github.com/B2eFly/Router/blob/main/totolink/CP900/7/7.md Broken Link

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Related vulnerabilities

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

9.8CVE-2022-28495Totolink cp900 firmware os command injection vulnerabilityTOTOLink outdoor CPE CP900 V6.3c.566_B20171026 is discovered to contain a command injection vulnerability in the setWebWlanIdx function via the webWl…EPSS 2.4%9.8CVE-2022-28496Totolink cp900 firmware command injection vulnerabilityTOTOLink outdoor CPE CP900 V6.3c.566_B20171026 discovered to contain a command injection vulnerability in the setPasswordCfg function via the adminus…EPSS 1.4%9.8CVE-2022-28497Totolink cp900 firmware command injection vulnerabilityTOTOLink outdoor CPE CP900 V6.3c.566_B20171026 is discovered to contain a command injection vulnerability in the mtd_write_bootloader function via th…EPSS 1.4%9.8CVE-2022-28491Totolink cp900 firmware os command injection vulnerabilityTOTOLink outdoor CPE CP900 V6.3c.566_B20171026 contains a command injection vulnerability in the NTPSyncWithHost function via the host_name parameter…EPSS 4.7%9.8CVE-2022-28492Totolink cp900 firmware vulnerabilityTOTOLINK Technology CPE with firmware V6.3c.566 ,allows remote attackers to bypass Login.EPSS 1.3%9.8CVE-2022-28494Totolink cp900 firmware os command injection vulnerabilityTOTOLink outdoor CPE CP900 V6.3c.566_B20171026 is discovered to contain a command injection vulnerability in the setUpgradeFW function via the filena…EPSS 2.6%8.7CVE-2024-7463Totolink cp900 firmware classic buffer overflow vulnerabilityA vulnerability classified as critical was found in TOTOLINK CP900 6.3c.566. This vulnerability affects the function UploadCustomModule of the file /…EPSS 11%6.3CVE-2025-44836Totolink cp900 firmware command injection vulnerabilityTOTOLINK CPE CP900 V6.3c.1144_B20190715 was discovered to contain a command injection vulnerability in the setApRebootScheCfg function via the hour o…EPSS 0.94%

Source: NIST National Vulnerability Database (record CVE-2022-28493), CISA KEV, FIRST EPSS (scores of 2026-09-28). This page is refreshed as NVD updates the record.