How severe is CVE-2022-25082?

CVE-2022-25082 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-2022-25082 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 16% (97th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2022-25082?

CVE-2022-25082 primarily affects Totolink A950rg Firmware. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2022-25082?

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-2022-25082 published?

CVE-2022-25082 was published on 2022-02-24 and last updated on 2026-06-17.

CVE-2022-25082

CVE-2022-25082 is a critical-severity vulnerability in Totolink A950rg Firmware with a CVSS 3.x base score of 9.8. Its EPSS exploit-prediction score of 16% places it in the 97th 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: 16% (97th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-78
Affected product: Totolink A950rg Firmware
Published: 2022-02-24
Last modified: 2026-06-17

Description

TOTOLink A950RG V5.9c.4050_B20190424 and V4.1.2cu.5204_B20210112 were 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-2022-25082?: TOTOLink A950RG V5.9c.4050_B20190424 and V4.1.2cu.5204_B20210112 were 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-2022-25082?: CVE-2022-25082 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-2022-25082 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 16% (97th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2022-25082?: CVE-2022-25082 primarily affects Totolink A950rg Firmware. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2022-25082?: 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-2022-25082 published?: CVE-2022-25082 was published on 2022-02-24 and last updated on 2026-06-17.

References

https://github.com/EPhaha/IOT_vuln/blob/main/TOTOLink/A950RG/README.md

Affected products (2)

cpe:2.3:o:totolink:a950rg_firmware:4.1.2cu.5204_b20210112:*:*:*:*:*:*:*
cpe:2.3:o:totolink:a950rg_firmware:5.9c.4050_b20190424:*:*:*:*:*:*:*

More vulnerabilities in Totolink A950rg Firmware

CVE-2025-67188 — Critical (CVSS 9.8): A buffer overflow vulnerability exists in TOTOLINK A950RG V4.1.2cu.5204_B20210112. The issue resides in the setRadvdCfg…
CVE-2025-67187 — Critical (CVSS 9.8): A stack-based buffer overflow vulnerability was identified in TOTOLINK A950RG V4.1.2cu.5204_B20210112. The flaw exists…
CVE-2025-67186 — Critical (CVSS 9.8): TOTOLINK A950RG V4.1.2cu.5204_B20210112 contains a buffer overflow vulnerability in the setUrlFilterRules interface of…
CVE-2025-44655 — Critical (CVSS 9.8): In TOTOLink A7100RU V7.4, A950RG V5.9, and T10 V5.9, the chroot_local_user option is enabled in the vsftpd.conf. This…
CVE-2025-45798 — Critical (CVSS 9.8): A command execution vulnerability exists in the TOTOLINK A950RG V4.1.2cu.5204_B20210112. The vulnerability is located…
CVE-2025-45797 — Critical (CVSS 9.8): TOTOlink A950RG V4.1.2cu.5204_B20210112 contains a buffer overflow vulnerability. The vulnerability arises from the…

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