CVE-2026-36837

HIGHNVD 7.57.5—Elevated

7.5

TOTOLINK A3002RU V3 <= V3.0.0-B20220304.1804 was discovered to contain a stack-based buffer overflow via the hostname parameter in the formMapDelDevice function.

CVSS v3: 7.5
EG Score: 7.5(high)
EPSS: 18.1%
KEV: Not listed

Published

April 29, 2026

Last Modified

April 29, 2026

Advisory Details (1)

Auto-updated Apr 29, 2026

🔬 Proof of concept available. No patch confirmed yet.

generic🟡 PoC Available

cve/TOTOLINK-A3002RUV3.0-boa-formMapDelDevice-StackOverflow at main · 0xmania/cve · GitHub

https://github.com/0xmania/cve/tree/main/TOTOLINK-A3002RUV3.0-boa-formMapDelDevice-StackOverflow

Weakness Classification(1)

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

CWE-121Stack-based Buffer Overflow

Data Freshness Timeline

(refreshed 16× 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.

2026-05-31 22:30 UTCepss_batch
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2026-05-20 15:11 UTCEG score recompute
2026-05-20 15:11 UTCGHSA enrichment

Frequently asked(5)

What is CVE-2026-36837?

CVE-2026-36837 is a high vulnerability published on April 29, 2026. TOTOLINK A3002RU V3 <= V3.0.0-B20220304.1804 was discovered to contain a stack-based buffer overflow via the hostname parameter in the formMapDelDevice function.

When was CVE-2026-36837 disclosed?

CVE-2026-36837 was first published in the National Vulnerability Database on April 29, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2026-36837 actively exploited?

CVE-2026-36837 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 18.1% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2026-36837?

CVE-2026-36837 has a CVSS v3 base score of 7.5 (NVD).

How do I remediate CVE-2026-36837?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-36837, 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-2026-36837

📅 Published

🔄 Last Modified

📋 Advisory Details (1)

cve/TOTOLINK-A3002RUV3.0-boa-formMapDelDevice-StackOverflow at main · 0xmania/cve · GitHub

Weakness Classification(1)

Data Freshness Timeline

❓ Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2026-36837?

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Advisory Details (1)

Frequently asked(5)

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