An issue was discovered on Tenda AC7 V15.03.06.44_CN, AC9 V15.03.05.19(6318)_CN, AC10…
Priority MEDIUM 45CWE-787Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Code execution
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.0 · NVD. Fix status from CNA. Impact type from CWE-787 and the CVSS impact.
Summary
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 heap-based buffer overflow vulnerability in the router's web server -- httpd. While processing the 'mac' parameter for a post request, the value is directly used in a strcpy to a variable placed on the heap, which can leak sensitive information or even hijack program control flow.
Why it matters now
EPSS 0.01347 71st percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 10
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:tenda:ac7_firmware:15.03.06.44_cn:*:*:*:*:*:*:* | 15.03.06.44_cn | Vulnerable | Tenda |
| cpe:2.3:h:tenda:ac7:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Tenda |
| cpe:2.3:o:tenda:ac9_firmware:15.03.05.19\(6318\)_cn:*:*:*:*:*:*:* | 15.03.05.19(6318)_cn | Vulnerable | Tenda |
| cpe:2.3:h:tenda:ac9:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Tenda |
| cpe:2.3:o:tenda:ac10_firmware:15.03.06.23_cn:*:*:*:*:*:*:* | 15.03.06.23_cn | Vulnerable | Tenda |
| cpe:2.3:h:tenda:ac10:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Tenda |
| cpe:2.3:o:tenda:ac15_firmware:15.03.05.19_cn:*:*:*:*:*:*:* | 15.03.05.19_cn | Vulnerable | Tenda |
| cpe:2.3:h:tenda:ac15:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Tenda |
| cpe:2.3:o:tenda:ac18_firmware:15.03.05.19\(6318\)_cn:*:*:*:*:*:*:* | 15.03.05.19(6318)_cn | Vulnerable | Tenda |
| cpe:2.3:h:tenda:ac18:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Tenda |
- cpe:2.3:o:tenda:ac7_firmware:15.03.06.44_cn:*:*:*:*:*:*:* Versions 15.03.06.44_cn Vulnerable ·Tenda
- cpe:2.3:h:tenda:ac7:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Tenda
- cpe:2.3:o:tenda:ac9_firmware:15.03.05.19\(6318\)_cn:*:*:*:*:*:*:* Versions 15.03.05.19(6318)_cn Vulnerable ·Tenda
- cpe:2.3:h:tenda:ac9:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Tenda
- cpe:2.3:o:tenda:ac10_firmware:15.03.06.23_cn:*:*:*:*:*:*:* Versions 15.03.06.23_cn Vulnerable ·Tenda
- cpe:2.3:h:tenda:ac10:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Tenda
- cpe:2.3:o:tenda:ac15_firmware:15.03.05.19_cn:*:*:*:*:*:*:* Versions 15.03.05.19_cn Vulnerable ·Tenda
- cpe:2.3:h:tenda:ac15:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Tenda
- cpe:2.3:o:tenda:ac18_firmware:15.03.05.19\(6318\)_cn:*:*:*:*:*:*:* Versions 15.03.05.19(6318)_cn Vulnerable ·Tenda
- cpe:2.3:h:tenda:ac18:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Tenda
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2018-18729
- 2026-10-03 Alias added: GHSA-2w6w-2wj5-6r35
References
More Tenda Ac10 Firmware vulnerabilities
- TI-2018-10434 An issue was discovered on Tenda AC7 devices with firmware through V15.03.06.44_CN(AC7)… KEVCVSS 3.1CRITICAL 9.8
- TI-2025-41117 A Buffer overflow vulnerability in function fromAdvSetMacMtuWan of bin httpd in Tenda… CVSS 3.1CRITICAL 9.8
- TI-2025-28844 Tenda AC10 V1.0re_V15.03.06.46 is vulnerable to Buffer Overflow in the… CVSS 3.1CRITICAL 9.8
- TI-2025-19007 Tenda AC10 V4.0si_V16.03.10.20 is vulnerable to Buffer Overflow in AdvSetMacMtuWan via mac2. CVSS 3.1CRITICAL 9.8
- TI-2023-24356 Tenda AC10 version US_AC10V4.0si_V16.03.10.13_cn was discovered to contain a stack… CVSS 3.1CRITICAL 9.8
- TI-2023-22562 Buffer Overflow vulnerability in Tenda AC10V4 v.US_AC10V4.0si_V16.03.10.13_cn_TDC01… CVSS 3.1CRITICAL 9.8
Sources
- CVE-2018-18729 · CVE Program
- CVE-2018-18729 · NVD
- FIRST EPSS
- GHSA-2w6w-2wj5-6r35 · GitHub Advisory Database · CC BY 4.0
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