How severe is CVE-2023-27064?

CVE-2023-27064 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-2023-27064 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (55th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-27064?

CVE-2023-27064 affects Tenda W15e Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-27064?

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.

When was CVE-2023-27064 published?

CVE-2023-27064 was published on 2023-03-13 and last updated on 2026-06-17.

CVE-2023-27064

CVE-2023-27064 is a high-severity vulnerability in Tenda W15e 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: 1% (55th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-120
Affected product: Tenda W15e Firmware
Published: 2023-03-13
Last modified: 2026-06-17

Description

Tenda V15V1.0 V15.11.0.14(1521_3190_1058) was discovered to contain a buffer overflow vulnerability via the index parameter in the formDelDnsForward function. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted request.

Frequently asked questions

What is CVE-2023-27064?: Tenda V15V1.0 V15.11.0.14(1521_3190_1058) was discovered to contain a buffer overflow vulnerability via the index parameter in the formDelDnsForward function. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted request.
How severe is CVE-2023-27064?: CVE-2023-27064 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-2023-27064 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (55th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-27064?: CVE-2023-27064 affects Tenda W15e Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-27064?: 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.
When was CVE-2023-27064 published?: CVE-2023-27064 was published on 2023-03-13 and last updated on 2026-06-17.

References

https://github.com/didi-zhiyuan/vuln/blob/main/iot/Tenda/W15EV1/formDelDnsForward.md

Affected products (1)

cpe:2.3:o:tenda:w15e_firmware:15.11.0.14:*:*:*:*:*:*:*

More vulnerabilities in Tenda W15e Firmware

CVE-2023-27063 — Critical (CVSS 9.8): Tenda V15V1.0 V15.11.0.14(1521_3190_1058) was discovered to contain a buffer overflow vulnerability via the…
CVE-2023-27061 — Critical (CVSS 9.8): Tenda V15V1.0 V15.11.0.14(1521_3190_1058) was discovered to contain a buffer overflow vulnerability via the…
CVE-2022-42058 — Critical (CVSS 9.8): Tenda AC1200 Router Model W15Ev2 V15.11.0.10(1576) was discovered to contain a stack overflow via the…
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CVE-2024-4126 — High (CVSS 8.8): A vulnerability was found in Tenda W15E 15.11.0.14 and classified as critical. This issue affects the function…
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