CVE-2022-37842

CRITICALNVD 9.89.8—

9.8

In TOTOLINK A860R V4.1.2cu.5182_B20201027, the parameters in infostat.cgi are not filtered, causing a buffer overflow vulnerability.

CVSS v3: 9.8
EG Score: 9.8(medium)
EPSS: 66.9%
KEV: Not listed

Published

September 6, 2022

Last Modified

November 21, 2024

Advisory Details (1)

Auto-updated May 27, 2026

No patch confirmed yet.

generic

iot/TOTOLINK/A860R/1.md at main · zhuangzhouliandie/iot · GitHub

https://github.com/1759134370/iot/blob/main/TOTOLINK/A860R/1.md

Weakness Classification(1)

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

CWE-120Buffer Copy without Checking Size (Classic Buffer Overflow)

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.

2026-06-05 06:09 UTCepss_batch
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2026-05-27 13:39 UTCepss_batch
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2026-05-26 13:43 UTCepss_batch

Frequently asked(5)

What is CVE-2022-37842?

CVE-2022-37842 is a critical vulnerability published on September 6, 2022. In TOTOLINK A860R V4.1.2cu.5182_B20201027, the parameters in infostat.cgi are not filtered, causing a buffer overflow vulnerability.

When was CVE-2022-37842 disclosed?

CVE-2022-37842 was first published in the National Vulnerability Database on September 6, 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-2022-37842 actively exploited?

CVE-2022-37842 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 66.9% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2022-37842?

CVE-2022-37842 has a CVSS v3 base score of 9.8 (NVD).

How do I remediate CVE-2022-37842?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2022-37842, 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.

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CVE-2022-37842

📅 Published

🔄 Last Modified

📋 Advisory Details (1)

iot/TOTOLINK/A860R/1.md at main · zhuangzhouliandie/iot · GitHub

Weakness Classification(1)

Data Freshness Timeline

❓ Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2022-37842?

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Advisory Details (1)

Frequently asked(5)

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