CVE-2018-14557
7.5 · HIGHOverview
CVE-2018-14557 is a high-severity vulnerability affecting tenda ac7_firmware. It was published on April 25, 2019 and has a CVSS 3.0 base score of 7.5 (HIGH).
This vulnerability has a CVSS 3.0 base score of 7.5, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
Technical Description
An issue was discovered on Tenda AC7 devices with firmware through V15.03.06.44_CN(AC7), AC9 devices with firmware through V15.03.05.19(6318)_CN(AC9), and AC10 devices with firmware through V15.03.06.23_CN(AC10). A buffer overflow vulnerability exists in the router's web server (httpd). When processing the page parameters for a post request, the value is directly written with sprintf to a local variable placed on the stack, which overrides the return address of the function, a causing buffer overflow.
Remediation
Check the references section for vendor advisories and patches from tenda. Update ac7_firmware to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
Affected Products
| Vendor | Product | Versions | Status |
|---|---|---|---|
| tenda | ac7_firmware | 0 | Affected |
| tenda | ac9_firmware | 0 | Affected |
| tenda | ac10_firmware | 0 | Affected |
Frequently Asked Questions
What is CVE-2018-14557?
CVE-2018-14557 is a high-severity vulnerability affecting tenda ac7_firmware. It was published on April 25, 2019 and has a CVSS 3.0 base score of 7.5 (HIGH).
How severe is CVE-2018-14557?
This vulnerability has a CVSS 3.0 base score of 7.5, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
How do I fix or remediate CVE-2018-14557?
Check the references section for vendor advisories and patches from tenda. Update ac7_firmware to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
How can CyberStrike help with CVE-2018-14557?
CyberStrike's AI-powered security agents can automatically detect CVE-2018-14557 across your infrastructure using autonomous pentesting, DAST scanning, and HackBrowser. The platform continuously monitors for known vulnerabilities and provides actionable remediation guidance prioritized by real-world exploitability.
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