CVE-2022-29392

CRITICAL

TOTOLINK N600R V4.3.0cu.7647_B20210106 was discovered to contain a stack overflow via the comment parameter in the function FUN_00418c24.

Affects 2 products across 1 vendor.

CVSS 3.19.8
EPSS1.7%
Percentile77th
PatchUnknown
CVSS Vector — Plain English Remotely exploitable over the network, low complexity, no authentication required, no user interaction needed, impact contained to the vulnerable component, full confidentiality impact, full integrity impact, full availability impact.
CWE Weakness Definitions
CWE-787: Out-of-Bounds Write

Software writes data past buffer boundaries, corrupting memory and potentially enabling code execution.

◆ AI Analysis — automated analysis, not human-reviewed

TOTOLINK N600R V4.3.0cu.7647_B20210106 is vulnerable to a stack overflow due to improper handling of the comment parameter in the function FUN_00418c24, which could allow an attacker to execute arbitrary code.

BSID: BS-2022-GLOBAL-317357-C • Model: /workspace/models/qwen2.5-coder-32b-instruct-bf16 • Confidence: HIGH

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Frequently Asked Questions
What is CVE-2022-29392?
TOTOLINK N600R V4.3.0cu.7647_B20210106 is vulnerable to a stack overflow due to improper handling of the comment parameter in the function FUN_00418c24, which could allow an attacker to execute arbitrary code.
What is the CVSS score for CVE-2022-29392?
CVE-2022-29392 has CVSS 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H. EPSS: 1.7%.
Is CVE-2022-29392 actively exploited?
No confirmed active exploitation of CVE-2022-29392 as of 2026-09-25.
How do I remediate CVE-2022-29392?
Priority: IMMEDIATE.
What systems are affected by CVE-2022-29392?
CVE-2022-29392 affects Totolink N600R.
Vulnerability Details
CVE IDCVE-2022-29392
BSIDBS-2022-GLOBAL-317357-C BreachSpider Global ID
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Published2022-05-10
Last Modified2026-06-17
ICS Relevance15%
Weakness (CWE)
Out-of-Bounds Write
SourceNVD
Official Description

TOTOLINK N600R V4.3.0cu.7647_B20210106 was discovered to contain a stack overflow via the comment parameter in the function FUN_00418c24.

Source: NIST NVD / MITRE CVE Database

Attack Vector Analysis — CITED Relevance

An attacker can exploit this vulnerability by sending a specially crafted HTTP request with a long comment parameter to the vulnerable function, leading to a stack overflow and potential code execution.

Exploitation Likelihood: CRITICAL

Affected Products
VendorProductAffected Versions
Totolink N600R (device & firmware) 4.3.0cu.7647_b20210106
Remediation

No official vendor advisory link on record. See the CVE record →

Threat Intelligence
● Threat Intelligence Validated: October 2026 | Threat Age: 1619 Days
CISA known-exploitedNot in KEV catalog
Public ExploitNot confirmed
PoC CodeNot confirmed
AI Enrichment Record — provenance & audit hash
Model/workspace/models/qwen2.5-coder-32b-instruct-bf16
ConfidenceHIGH
Enriched At2026-05-24
SHA-512 Audit Hash04bc402b2e48f762764ca9aaebcadb7a9561334b609551b2f54c98cf3f149860185307ef4a19d9cb98ad9e97ab2323c13f1cead601a3bcb1b2b85ad56c0e27b5
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