TI-2026-19435 Aliases CVE-2026-24115 GHSA-x7rc-7ghv-7gv5

An issue was discovered in Tenda W20E V4.0br_V15.11.0.6.

MEDIUM 50CWE-120Published 2026-03-02 · Updated 2026-03-03

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 3.1 · CISA ADP. Fix status from CNA. Impact type from CWE-120 and the CVSS impact.

Summary

An issue was discovered in Tenda W20E V4.0br_V15.11.0.6. Failure to validate the sizes of `gstup` and `gstdwn` before concatenating them into `gstruleQos` may lead to buffer overflow.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV

EPSS 0.00766 55th 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

CISA ADP · SSVC 2.0.3

Exploitation: None
Automatable: Yes
Technical impact: Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

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 · 2

CPE	Versions	Role	Vendor
cpe:2.3:o:tenda:w20e_firmware:15.11.0.6:::::::*	15.11.0.6	Vulnerable	Tenda
cpe:2.3:h:tenda:w20e:4.0:::::::*	4.0	Running on	Tenda

cpe:2.3:o:tenda:w20e_firmware:15.11.0.6:*:*:*:*:*:*:* Versions 15.11.0.6 Vulnerable ·Tenda
cpe:2.3:h:tenda:w20e:4.0:*:*:*:*:*:*:* Versions 4.0 Running on ·Tenda

Remediation

No fixed version listed by the sources yet.

Timeline

2026-10-02 Threatist record created from CVE-2026-24115
2026-10-03 Alias added: GHSA-x7rc-7ghv-7gv5

References

Exploit 1

https://github.com/akuma-QAQ/CVEreport/tree/main/D-link/CVE-2026-24115

Other 1

https://www.tenda.com.cn/material/show/2707

TI-2026-19433 An issue was discovered in Tenda W20E V4.0br_V15.11.0.6. CVSS 3.1CRITICAL 9.8
TI-2026-19431 An issue was discovered in Tenda W20E V4.0br_V15.11.0.6. CVSS 3.1CRITICAL 9.8
TI-2026-19430 An issue was discovered in Tenda W20E V4.0br_V15.11.0.6. CVSS 3.1CRITICAL 9.8
TI-2026-19429 An issue was discovered in Tenda W20E V4.0br_V15.11.0.6. CVSS 3.1CRITICAL 9.8
TI-2026-19427 An issue was discovered in Tenda W20E V4.0br_V15.11.0.6. CVSS 3.1CRITICAL 9.8
TI-2022-23824 Tenda W20E v15.11.0.6 was discovered to contain multiple stack overflows in the function… CVSS 3.1CRITICAL 9.8

See all 22 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences