CVE-2018-7561
CVE-2018-7561 is a critical-severity vulnerability in Tendacn 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: 7.5
- EPSS exploit prediction: 2% (76th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-787
- Affected product: Tendacn Ac9 Firmware
- Published:
- Last modified:
Description
Stack-based Buffer Overflow in httpd on Tenda AC9 devices V15.03.05.14_EN allows remote attackers to cause a denial of service or possibly have unspecified other impact.
Frequently asked questions
- What is CVE-2018-7561?
- Stack-based Buffer Overflow in httpd on Tenda AC9 devices V15.03.05.14_EN allows remote attackers to cause a denial of service or possibly have unspecified other impact.
- How severe is CVE-2018-7561?
- CVE-2018-7561 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-2018-7561 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (76th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2018-7561?
- CVE-2018-7561 affects Tendacn Ac9 Firmware. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2018-7561?
- 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-2018-7561 published?
- CVE-2018-7561 was published on 2018-03-01 and last updated on 2026-06-17.
References
Affected products (1)
- cpe:2.3:o:tendacn:ac9_firmware:15.03.05.14_en:*:*:*:*:*:*:*
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