How severe is CVE-2023-38937?

CVE-2023-38937 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2023-38937 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (49th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-38937?

CVE-2023-38937 primarily affects Tenda Ac10 Firmware. In total, 8 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2023-38937?

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

When was CVE-2023-38937 published?

CVE-2023-38937 was published on 2023-08-07 and last updated on 2026-06-17.

CVE-2023-38937

CVE-2023-38937 is a critical-severity vulnerability in Tenda Ac10 Firmware with a CVSS 3.x base score of 9.8. 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-787.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
EPSS exploit prediction: 1% (49th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-787
Affected product: Tenda Ac10 Firmware
Published: 2023-08-07
Last modified: 2026-06-17

Description

Tenda AC10 V1.0 V15.03.06.23, AC1206 V15.03.06.23, AC8 v4 V16.03.34.06, AC6 V2.0 V15.03.06.23, AC7 V1.0 V15.03.06.44, AC5 V1.0 V15.03.06.28, AC9 V3.0 V15.03.06.42_multi and AC10 v4.0 V16.03.10.13 were discovered to contain a stack overflow via the list parameter in the formSetVirtualSer function.

Frequently asked questions

What is CVE-2023-38937?: Tenda AC10 V1.0 V15.03.06.23, AC1206 V15.03.06.23, AC8 v4 V16.03.34.06, AC6 V2.0 V15.03.06.23, AC7 V1.0 V15.03.06.44, AC5 V1.0 V15.03.06.28, AC9 V3.0 V15.03.06.42_multi and AC10 v4.0 V16.03.10.13 were discovered to contain a stack overflow via the list parameter in the formSetVirtualSer function.
How severe is CVE-2023-38937?: CVE-2023-38937 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2023-38937 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (49th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-38937?: CVE-2023-38937 primarily affects Tenda Ac10 Firmware. In total, 8 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2023-38937?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2023-38937 published?: CVE-2023-38937 was published on 2023-08-07 and last updated on 2026-06-17.

References

https://github.com/FirmRec/IoT-Vulns/blob/main/tenda/formSetVirtualSer/README.md

Affected products (8)

cpe:2.3:o:tenda:ac10_firmware:15.03.06.23:*:*:*:*:*:*:*
cpe:2.3:o:tenda:ac1206_firmware:15.03.06.23:*:*:*:*:*:*:*
cpe:2.3:o:tenda:ac8_firmware:16.03.34.06:*:*:*:*:*:*:*
cpe:2.3:o:tenda:ac6_firmware:15.03.06.23:*:*:*:*:*:*:*
cpe:2.3:o:tenda:ac7_firmware:15.03.06.44:*:*:*:*:*:*:*
cpe:2.3:o:tenda:ac5_firmware:15.03.06.28:*:*:*:*:*:*:*
cpe:2.3:o:tenda:ac10_firmware:16.03.10.13:*:*:*:*:*:*:*
cpe:2.3:o:tenda:ac9_firmware:15.03.06.42_multi:*:*:*:*:*:*:*

More vulnerabilities in Tenda Ac10 Firmware

CVE-2025-67073 — Critical (CVSS 9.8): A Buffer overflow vulnerability in function fromAdvSetMacMtuWan of bin httpd in Tenda AC10V4.0 V16.03.10.20 allows…
CVE-2025-45779 — Critical (CVSS 9.8): Tenda AC10 V1.0re_V15.03.06.46 is vulnerable to Buffer Overflow in the formSetPPTPUserList handler via the list POST…
CVE-2025-25456 — Critical (CVSS 9.8): Tenda AC10 V4.0si_V16.03.10.20 is vulnerable to Buffer Overflow in AdvSetMacMtuWan via mac2.
CVE-2025-25675 — Critical (CVSS 9.8): Tenda AC10 V1.0 V15.03.06.23 has a command injection vulnerablility located in the formexeCommand function. The str…
CVE-2025-25674 — Critical (CVSS 9.8): Tenda AC10 V1.0 V15.03.06.23 is vulnerable to Buffer Overflow in form_fast_setting_wifi_set via the parameter ssid.
CVE-2023-45484 — Critical (CVSS 9.8): Tenda AC10 version US_AC10V4.0si_V16.03.10.13_cn was discovered to contain a stack overflow via the shareSpeed…

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