CVE-2022-32386
CVE-2022-32386 is a critical-severity vulnerability in Tendacn Ac23 Ac2100 Firmware with a CVSS 3.x base score of 9.8. Its EPSS exploit-prediction score of 11% places it in the 95th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-787.
Key facts
- Severity: Critical (CVSS 3.x base score 9.8)
- CVSS v2: 7.5
- EPSS exploit prediction: 11% (95th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-787
- Affected product: Tendacn Ac23 Ac2100 Firmware
- Published:
- Last modified:
Description
Tenda AC23 v16.03.07.44 was discovered to contain a buffer overflow via fromAdvSetMacMtuWan.
Frequently asked questions
- What is CVE-2022-32386?
- Tenda AC23 v16.03.07.44 was discovered to contain a buffer overflow via fromAdvSetMacMtuWan.
- How severe is CVE-2022-32386?
- CVE-2022-32386 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-2022-32386 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 11% (95th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2022-32386?
- CVE-2022-32386 affects Tendacn Ac23 Ac2100 Firmware. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2022-32386?
- 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-2022-32386 published?
- CVE-2022-32386 was published on 2022-07-06 and last updated on 2026-07-05.
References
- https://drive.google.com/file/d/1XPTEt10yJt9WcLrIt6YpDV5OlP-U6dBR/view?usp=sharing
- https://github.com/LuGakki/Vuln/blob/main/Tenda%20AC23.pdf
- http://ac23.com
- http://tenda.com
Affected products (1)
- cpe:2.3:o:tendacn:ac23_ac2100_firmware:16.03.07.44:*:*:*:*:*:*:*
More vulnerabilities in Tendacn Ac23 Ac2100 Firmware
- CVE-2022-32385 — Critical (CVSS 9.8): Tenda AC23 v16.03.07.44 is vulnerable to Stack Overflow that will allow for the execution of arbitrary code (remote).
- CVE-2022-32383 — Critical (CVSS 9.8): Tenda AC23 v16.03.07.44 was discovered to contain a stack overflow via the AdvSetMacMtuWan function.
- CVE-2022-32384 — High (CVSS 8.8): Tenda AC23 v16.03.07.44 was discovered to contain a stack overflow via the security_5g parameter in the function…
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