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Vulnerability record · CVE-2023-38940 · published 7 August 2023

CVE-2023-38940: Tenda fh1203 firmware out-of-bounds write vulnerability

Tenda · Fh1203 Firmware

Tenda F1203 V2.0.1.6, FH1203 V2.0.1.6 and FH1205 V2.0.0.7(775) were discovered to contain a stack overflow via the ssid parameter in the form_fast_setting_wifi_set function.

9.8 CVSS 3.1 Critical EPSS 0.84% · top 43.9% CWE-787 · Out-of-bounds write
9.8CVSS 3.1 base score
0.84%EPSS exploitation probability, 30 days
NoNot in CISA KEV
3Affected product versions listed by NVD
2References, 2 tagged exploit
17 Jun 2026Last modified by NVD

Description

Tenda F1203 V2.0.1.6, FH1203 V2.0.1.6 and FH1205 V2.0.0.7(775) were discovered to contain a stack overflow via the ssid parameter in the form_fast_setting_wifi_set function.

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

Affected products

3 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://github.com/FirmRec/IoT-Vulns/tree/main/tenda/form_fast_setting_wifi_set ExploitThird Party Advisory
https://github.com/FirmRec/IoT-Vulns/tree/main/tenda/form_fast_setting_wifi_set ExploitThird Party Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

9.8CVE-2024-30628Tenda fh1205 firmware stack-based buffer overflow vulnerabilityTenda FH1205 v2.0.0.7(775) has a stack overflow vulnerability in the page parameter from fromAddressNat function.EPSS 0.81%9.8CVE-2024-30630Tenda fh1205 firmware out-of-bounds read vulnerabilityTenda FH1205 v2.0.0.7(775) has a stack overflow vulnerability in the time parameter from saveParentControlInfo function.EPSS 0.81%9.8CVE-2024-30622Tenda fh1205 firmware stack-based buffer overflow vulnerabilityTenda FH1205 v2.0.0.7(775) has a stack overflow vulnerability in the mitInterface parameter from fromAddressNat function.EPSS 0.81%9.8CVE-2024-30602Tenda fh1203 firmware classic buffer overflow vulnerabilityTenda FH1203 v2.0.1.6 has a stack overflow vulnerability in the schedStartTime parameter of the setSchedWifi function.EPSS 0.73%9.8CVE-2023-38933Tenda ac10 firmware out-of-bounds write vulnerabilityTenda AC6 V2.0 V15.03.06.23, AC7 V1.0 V15.03.06.44, F1203 V2.0.1.6, AC5 V1.0 V15.03.06.28, FH1203 V2.0.1.6 and AC9 V3.0 V15.03.06.42_multi, and FH120…EPSS 0.84%9.8CVE-2023-38934Tenda fh1203 firmware out-of-bounds write vulnerabilityTenda F1203 V2.0.1.6, FH1203 V2.0.1.6 and FH1205 V2.0.0.7(775) was discovered to contain a stack overflow via the deviceId parameter in the formSetDe…EPSS 0.84%9.8CVE-2023-38936Tenda ac10 firmware out-of-bounds write vulnerabilityTenda AC10 V1.0 V15.03.06.23, AC1206 V15.03.06.23, AC6 V2.0 V15.03.06.23, AC7 V1.0 V15.03.06.44, AC5 V1.0 V15.03.06.28, FH1203 V2.0.1.6, AC9 V3.0 V15…EPSS 0.85%9.8CVE-2023-38930Tenda ac7 firmware out-of-bounds write vulnerabilityTenda AC7 V1.0,V15.03.06.44, F1203 V2.0.1.6, AC5 V1.0,V15.03.06.28, AC9 V3.0,V15.03.06.42_multi and FH1205 V2.0.0.7(775) were discovered to contain a…EPSS 0.84%

Source: NIST National Vulnerability Database (record CVE-2023-38940), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.