How severe is CVE-2023-50991?

CVE-2023-50991 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2023-50991 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 9% (95th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-50991?

CVE-2023-50991 primarily affects Tenda I29 Firmware. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2023-50991?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

Does CVE-2023-50991 have an EU (EUVD) identifier?

Yes. CVE-2023-50991 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2023-55718.

When was CVE-2023-50991 published?

CVE-2023-50991 was published on 2024-01-05 and last updated on 2026-06-17.

CVE-2023-50991

CVE-2023-50991 is a high-severity vulnerability in Tenda I29 Firmware with a CVSS 3.x base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-120.

Key facts

Severity: High (CVSS 3.x base score 7.5)
EPSS exploit prediction: 9% (95th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2023-55718
Weakness: CWE-120
Affected product: Tenda I29 Firmware
Published: 2024-01-05
Last modified: 2026-06-17

Description

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.

Frequently asked questions

What is CVE-2023-50991?: 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.
How severe is CVE-2023-50991?: CVE-2023-50991 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2023-50991 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 9% (95th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-50991?: CVE-2023-50991 primarily affects Tenda I29 Firmware. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2023-50991?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2023-50991 have an EU (EUVD) identifier?: Yes. CVE-2023-50991 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2023-55718.
When was CVE-2023-50991 published?: CVE-2023-50991 was published on 2024-01-05 and last updated on 2026-06-17.

References

https://github.com/ef4tless/vuln/blob/master/iot/i29/pingSet.md

Affected products (2)

cpe:2.3:o:tenda:i29_firmware:1.0.0.2:*:*:*:*:*:*:*
cpe:2.3:o:tenda:i29_firmware:1.0.0.5:*:*:*:*:*:*:*

More vulnerabilities in Tenda I29 Firmware

CVE-2023-50992 — Critical (CVSS 9.8): Tenda i29 v1.0 V1.0.0.5 was discovered to contain a stack overflow via the ip parameter in the setPing function.
CVE-2023-50990 — Critical (CVSS 9.8): Tenda i29 v1.0 V1.0.0.5 was discovered to contain a buffer overflow via the rebootTime parameter in the…
CVE-2023-50989 — Critical (CVSS 9.8): Tenda i29 v1.0 V1.0.0.5 was discovered to contain a command injection vulnerability via the pingSet function.
CVE-2023-50988 — Critical (CVSS 9.8): Tenda i29 v1.0 V1.0.0.5 was discovered to contain a buffer overflow via the bandwidth parameter in the…
CVE-2023-50987 — Critical (CVSS 9.8): Tenda i29 v1.0 V1.0.0.5 was discovered to contain a buffer overflow via the time parameter in the sysTimeInfoSet…
CVE-2023-50986 — Critical (CVSS 9.8): Tenda i29 v1.0 V1.0.0.5 was discovered to contain a buffer overflow via the time parameter in the sysLogin function.

All CVEs affecting Tenda I29 Firmware →

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