Buffer overflow in Tenda Ac10
CVE-2018-18730
An issue was discovered on Tenda AC7 V15.03.06.44_CN, AC9 V15.03.05.19(6318)_CN, AC10 V15.03.06.23_CN, AC15 V15.03.05.19_CN, and AC18 V15.03.05.19(6318)_CN devices. There is a buffer overflow vulnerability in the router's web server -- httpd. While processing the 'startIp' and 'endIp' parameters for a post request, each value is directly used in a sprintf to a local variable placed on the stack, which overrides the return address of the function.
Vulnerability class: Buffer Overflow
EPSS: 0.011 (63.4th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
Affected products
- Tenda Ac10
- Tenda Ac10_firmware — versions 15.03.06.23_cn
- Tenda Ac15
- Tenda Ac15_firmware — versions 15.03.05.19_cn
- Tenda Ac18
- Tenda Ac18_firmware — versions 15.03.05.19\(6318\)_cn
- Tenda Ac7
- Tenda Ac7_firmware — versions 15.03.06.44_cn
- Tenda Ac9
- Tenda Ac9_firmware — versions 15.03.05.19\(6318\)_cn
Weakness classification (CWE)
Public proof-of-concept exploits
References
- cve@mitre.org (Exploit, Third Party Advisory, x_refsource_MISC)
Frequently asked questions
- What is CVE-2018-18730?
- CVE-2018-18730 is a high-severity vulnerability in Tenda Ac10, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 7.5/10. Published 2018-10-29.
- How severe is CVE-2018-18730?
- High severity. CVSS v3 base score is 7.5 out of 10.
- Is CVE-2018-18730 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.