What is the CVSS score of CVE-2023-50991?

CVE-2023-50991 has a CVSS 3.1 base score of 7.5 (High). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H. EPSS exploitation probability: 12.9%.

Which versions of I29 Firmware are affected by CVE-2023-50991?

Organizations using Tenda i29 face notable risk from CVE-2023-50991, a buffer overflow vulnerability rated CVSS 7.5.

Is there a public PoC exploit available for CVE-2023-50991?

Yes, a public proof-of-concept exploit is available for CVE-2023-50991. Prioritise patching immediately. EPSS: 12.9%.

How to fix or mitigate CVE-2023-50991?

Within 30 days: Identify all affected systems running Tenda i29 and apply vendor patches as part of regular patch cycle. If patching is delayed, consider network segmentation to limit exposure.

I29 Firmware CVE-2023-50991

HIGH

Classic Buffer Overflow (CWE-120)

2024-01-05 cve@mitre.org

Buffer Overflow Tenda Denial Of Service I29 Firmware

7.5

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

7.5 HIGH

AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

High

Lifecycle Timeline

Analysis Generated

Mar 28, 2026 - 19:33 vuln.today

PoC Detected

Jun 13, 2025 - 19:15 vuln.today

Public exploit code

CVE Published

Jan 05, 2024 - 10:15 nvd

HIGH 7.5

DescriptionCVE.org

Buffer Overflow vulnerability in Tenda i29 versions 1.0 V1.0.0.5 and 1.0 V1.0.0.2, allows remote attackers to cause a denial of service (DoS) via the pingIp parameter in the pingSet function.

AnalysisAI

Buffer Overflow vulnerability in Tenda i29 versions 1.0 V1.0.0.5 and 1.0 V1.0.0.2, allows remote attackers to cause a denial of service (DoS) via the pingIp parameter in the pingSet function. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and EPSS exploitation probability 12.9%.

Technical ContextAI

This vulnerability is classified as Buffer Copy without Size Check (CWE-120), which allows attackers to overflow a buffer to corrupt adjacent memory. Buffer Overflow vulnerability in Tenda i29 versions 1.0 V1.0.0.5 and 1.0 V1.0.0.2, allows remote attackers to cause a denial of service (DoS) via the pingIp parameter in the pingSet function. Affected products include: Tenda I29 Firmware.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Always validate buffer sizes before copy operations. Use bounded functions (strncpy, snprintf). Enable compiler protections.