How severe is CVE-2022-25084?

CVE-2022-25084 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2022-25084 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 25% (98th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2022-25084?

CVE-2022-25084 affects Totolink T6 Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2022-25084?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

When was CVE-2022-25084 published?

CVE-2022-25084 was published on 2022-02-24 and last updated on 2026-06-17.

CVE-2022-25084

CVE-2022-25084 is a critical-severity vulnerability in Totolink T6 Firmware with a CVSS 3.x base score of 9.8. Its EPSS exploit-prediction score of 25% places it in the 98th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-78.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v2: 7.5
EPSS exploit prediction: 25% (98th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-78
Affected product: Totolink T6 Firmware
Published: 2022-02-24
Last modified: 2026-06-17

Description

TOTOLink T6 V5.9c.4085_B20190428 was discovered to contain a command injection vulnerability in the "Main" function. This vulnerability allows attackers to execute arbitrary commands via the QUERY_STRING parameter.

Frequently asked questions

What is CVE-2022-25084?: TOTOLink T6 V5.9c.4085_B20190428 was discovered to contain a command injection vulnerability in the "Main" function. This vulnerability allows attackers to execute arbitrary commands via the QUERY_STRING parameter.
How severe is CVE-2022-25084?: CVE-2022-25084 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2022-25084 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 25% (98th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2022-25084?: CVE-2022-25084 affects Totolink T6 Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2022-25084?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2022-25084 published?: CVE-2022-25084 was published on 2022-02-24 and last updated on 2026-06-17.

References

https://github.com/EPhaha/IOT_vuln/blob/main/TOTOLink/T6/README.md

Affected products (1)

cpe:2.3:o:totolink:t6_firmware:5.9c.4085_b20190428:*:*:*:*:*:*:*

More vulnerabilities in Totolink T6 Firmware

CVE-2023-7221 — Critical (CVSS 9.8): A vulnerability was found in Totolink T6 4.1.9cu.5241_B20210923. It has been classified as critical. This affects the…
CVE-2022-38828 — Critical (CVSS 9.8): TOTOLINK T6 V4.1.5cu.709_B20210518 is vulnerable to command injection via cstecgi.cgi
CVE-2022-38827 — Critical (CVSS 9.8): TOTOLINK T6 V4.1.5cu.709_B20210518 is vulnerable to Buffer Overflow via cstecgi.cgi
CVE-2022-38826 — Critical (CVSS 9.8): In TOTOLINK T6 V4.1.5cu.709_B20210518, there is an execute arbitrary command in cstecgi.cgi.
CVE-2022-38823 — Critical (CVSS 9.8): In TOTOLINK T6 V4.1.5cu.709_B20210518, there is a hard coded password for root in /etc/shadow.sample.
CVE-2022-25137 — Critical (CVSS 9.8): A command injection vulnerability in the function recvSlaveUpgstatus of TOTOLINK Technology routers T6 V3_Firmware…

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