CVE-2022-27016
CVE-2022-27016 is a critical-severity vulnerability in Tenda Ac9 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 Ac9 Firmware
- Published:
- Last modified:
Description
There is a stack overflow vulnerability in the SetStaticRouteCfg() function in the httpd service of Tenda AC9 15.03.2.21_cn.
Frequently asked questions
- What is CVE-2022-27016?
- There is a stack overflow vulnerability in the SetStaticRouteCfg() function in the httpd service of Tenda AC9 15.03.2.21_cn.
- How severe is CVE-2022-27016?
- CVE-2022-27016 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-2022-27016 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-2022-27016?
- CVE-2022-27016 affects Tenda Ac9 Firmware. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2022-27016?
- 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-2022-27016 published?
- CVE-2022-27016 was published on 2022-04-07 and last updated on 2026-06-17.
References
Affected products (1)
- cpe:2.3:o:tenda:ac9_firmware:15.03.2.21_cn:*:*:*:*:*:*:*
More vulnerabilities in Tenda Ac9 Firmware
- CVE-2025-45042 — Critical (CVSS 9.8): Tenda AC9 v15.03.05.14 was discovered to contain a command injection vulnerability via the Telnet function.
- CVE-2025-44877 — Critical (CVSS 9.8): Tenda AC9 V15.03.06.42_multi was found to contain a command injection vulnerability in the formSetSambaConf function…
- CVE-2025-44872 — Critical (CVSS 9.8): Tenda AC9 V15.03.06.42_multi was found to contain a command injection vulnerability in the formsetUsbUnload function…
- CVE-2025-45429 — Critical (CVSS 9.8): In the Tenda ac9 v1.0 router with firmware V15.03.05.14_multi, there is a stack overflow vulnerability in…
- CVE-2025-45428 — Critical (CVSS 9.8): In Tenda ac9 v1.0 with firmware V15.03.05.14_multi, the rebootTime parameter of /goform/SetSysAutoRebbotCfg has a stack…
- CVE-2025-45427 — Critical (CVSS 9.8): In Tenda AC9 v1.0 with firmware V15.03.05.14_multi, the security parameter of /goform/WifiBasicSet has a stack overflow…
All CVEs affecting Tenda Ac9 Firmware →
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