CVE-2022-26186

CRITICALNVD 9.89.8—

9.8

TOTOLINK N600R V4.3.0cu.7570_B20200620 was discovered to contain a command injection vulnerability via the exportOvpn interface at cstecgi.cgi.

CVSS v3: 9.8
EG Score: 9.8(medium)
EPSS: 91.5%
KEV: Not listed

Published

March 22, 2022

Last Modified

November 21, 2024

References (2)

cve@mitrehttps://doudoudedi.github.io/2022/02/21/TOTOLINK-N600R-Command-Injection/
af854a3a-2127-422b-91ae-364da2661108https://doudoudedi.github.io/2022/02/21/TOTOLINK-N600R-Command-Injection/

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

CWE-77Command Injection

Data Freshness Timeline

(refreshed 13× in last 7d / 20× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

2026-06-04 13:11 UTCepss_batch
2026-06-04 13:11 UTCepss_batch
2026-06-02 20:11 UTCepss_batch
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2026-06-01 13:50 UTCepss_batch
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2026-05-31 22:29 UTCepss_batch
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2026-05-31 00:15 UTCepss_batch
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2026-05-29 13:42 UTCepss_batch
2026-05-28 13:43 UTCepss_batch
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2026-05-27 13:39 UTCepss_batch
2026-05-27 13:39 UTCepss_batch
2026-05-26 13:43 UTCepss_batch
2026-05-26 01:12 UTCEG score recompute

Frequently asked(5)

What is CVE-2022-26186?

CVE-2022-26186 is a critical vulnerability published on March 22, 2022. TOTOLINK N600R V4.3.0cu.7570_B20200620 was discovered to contain a command injection vulnerability via the exportOvpn interface at cstecgi.cgi.

When was CVE-2022-26186 disclosed?

CVE-2022-26186 was first published in the National Vulnerability Database on March 22, 2022, with the most recent update on November 21, 2024. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2022-26186 actively exploited?

CVE-2022-26186 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 91.5% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2022-26186?

CVE-2022-26186 has a CVSS v3 base score of 9.8 (NVD).

How do I remediate CVE-2022-26186?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2022-26186, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

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CVE-2022-26186

📅 Published

🔄 Last Modified

🔗 References (2)

Weakness Classification(1)

Data Freshness Timeline

❓ Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2022-26186?

🔗 Related CVEs(same CWE)

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Published

Last Modified

References (2)

Frequently asked(5)

Related CVEs(same CWE)