CVE-2022-25062

HIGHNVD 7.57.5—Elevated

7.5

TP-LINK TL-WR840N(ES)_V6.20_180709 was discovered to contain an integer overflow via the function dm_checkString. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted HTTP request.

CVSS v3: 7.5
EG Score: 7.5(medium)
EPSS: 96.7%
KEV: Not listed

Published

February 25, 2022

Last Modified

November 21, 2024

References (6)

cve@mitrehttp://router.com
cve@mitrehttp://tp-link.com
cve@mitrehttps://east-trowel-102.notion.site/CVE-2021-XXXX-RCE-Integer-Overflow-via-crafted-payload-in-an-DNS-input-field-userDomain-EN-2bc0fafd23224a5a8f86f5f0f9377d3d
af854a3a-2127-422b-91ae-364da2661108http://router.com
af854a3a-2127-422b-91ae-364da2661108http://tp-link.com
af854a3a-2127-422b-91ae-364da2661108https://east-trowel-102.notion.site/CVE-2021-XXXX-RCE-Integer-Overflow-via-crafted-payload-in-an-DNS-input-field-userDomain-EN-2bc0fafd23224a5a8f86f5f0f9377d3d

Weakness Classification(1)

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

CWE-190Integer Overflow or Wraparound

Data Freshness Timeline

(refreshed 12× 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
2026-06-02 20:11 UTCepss_batch
2026-06-02 20:11 UTCepss_batch
2026-06-01 13:50 UTCepss_batch
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2026-06-01 13:50 UTCepss_batch
2026-05-31 22:29 UTCepss_batch
2026-05-31 22:29 UTCepss_batch
2026-05-31 00:15 UTCepss_batch
2026-05-31 00:15 UTCepss_batch
2026-05-29 13:42 UTCepss_batch
2026-05-28 13:43 UTCepss_batch
2026-05-28 13:43 UTCepss_batch
2026-05-28 13:43 UTCepss_batch
2026-05-27 13:39 UTCepss_batch
2026-05-27 13:39 UTCepss_batch
2026-05-26 13:43 UTCepss_batch
2026-05-26 02:25 UTCEG score recompute

Frequently asked(5)

What is CVE-2022-25062?

CVE-2022-25062 is a high vulnerability published on February 25, 2022. TP-LINK TL-WR840N(ES)V6.20180709 was discovered to contain an integer overflow via the function dm_checkString. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted HTTP request.

When was CVE-2022-25062 disclosed?

CVE-2022-25062 was first published in the National Vulnerability Database on February 25, 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-2022-25062 actively exploited?

CVE-2022-25062 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 96.7% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2022-25062?

CVE-2022-25062 has a CVSS v3 base score of 7.5 (NVD).

How do I remediate CVE-2022-25062?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2022-25062, 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-2022-25062

📅 Published

🔄 Last Modified

🔗 References (6)

Weakness Classification(1)

Data Freshness Timeline

❓ Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2022-25062?

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Published

Last Modified

References (6)

Frequently asked(5)

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