CVE-2022-25457
CVE-2022-25457 is a critical-severity vulnerability in Tenda Ac6 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)
- CVSS v2: 10.0
- EPSS exploit prediction: 2% (74th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-787
- Affected product: Tenda Ac6 Firmware
- Published:
- Last modified:
Description
Tenda AC6 v15.03.05.09_multi was discovered to contain a stack overflow via the ntpserver parameter in the SetSysTimeCfg function.
Frequently asked questions
- What is CVE-2022-25457?
- Tenda AC6 v15.03.05.09_multi was discovered to contain a stack overflow via the ntpserver parameter in the SetSysTimeCfg function.
- How severe is CVE-2022-25457?
- CVE-2022-25457 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-2022-25457 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (74th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2022-25457?
- CVE-2022-25457 affects Tenda Ac6 Firmware. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2022-25457?
- 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-2022-25457 published?
- CVE-2022-25457 was published on 2022-03-18 and last updated on 2026-06-17.
References
Affected products (1)
- cpe:2.3:o:tenda:ac6_firmware:15.03.05.09:*:*:*:*:*:*:*
More vulnerabilities in Tenda Ac6 Firmware
- CVE-2025-52221 — Critical (CVSS 9.8): Tenda AC6 15.03.05.16_multi is vulnerable to Buffer Overflow in the formSetCfm function via the funcname, funcpara1,…
- CVE-2025-27129 — Critical (CVSS 9.8): An authentication bypass vulnerability exists in the HTTP authentication functionality of Tenda AC6 V5.0 V02.03.01.110.…
- CVE-2025-29031 — Critical (CVSS 9.8): Tenda AC6 v15.03.05.16 was discovered to contain a buffer overflow via the fromAddressNat function.
- CVE-2025-29030 — Critical (CVSS 9.8): Tenda AC6 v15.03.05.16 was discovered to contain a buffer overflow via the formWifiWpsOOB function.
- CVE-2025-29029 — Critical (CVSS 9.8): Tenda AC6 v15.03.05.16 was discovered to contain a buffer overflow via the formSetSpeedWan function.
- CVE-2025-25343 — Critical (CVSS 9.8): Tenda AC6 V15.03.05.16 firmware has a buffer overflow vulnerability in the formexeCommand function.
All CVEs affecting Tenda Ac6 Firmware →
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