TI-2026-07279 Aliases CVE-2026-8259 GHSA-59c7-jp82-73fm

Tenda AC6 httpd telnet os command injection

MEDIUM 56CWE-77Published 2026-05-11 · Updated 2026-05-11

Key facts

Attack vector: Network
Privileges required: High
User interaction: None
Attack complexity: Low
Attack requirements: None
Impact type: Code execution
Confidentiality · integrity · availability: Low · Low · Low
Fix status: No fix listed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-77.

Summary

A vulnerability has been found in Tenda AC6 2.0/15.03.06.23. The affected element is an unknown function of the file /goform/telnet of the component httpd. The manipulation of the argument lan.ip leads to os command injection. Remote exploitation of the attack is possible. The exploit has been disclosed to the public and may be used.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV

EPSS 0.04886 92nd percentileScored 2026-11-07

Public exploit Yes 1 exploit referenceTagged by the CNA and NVD

Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation: Poc
Automatable: No
Technical impact: Partial

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
Tenda	AC6	2.0; 15.03.06.23	—	No fix listed	CNA

AC6 VendorTenda Affected 2.0; 15.03.06.23 Fixed in — No fix listed CNA

CPE configurations NVD · 2

CPE	Versions	Role	Vendor
cpe:2.3:o:tenda:ac6_firmware:15.03.06.23:::::::*	15.03.06.23	Vulnerable	Tenda
cpe:2.3:h:tenda:ac6:2.0:::::::*	2.0	Running on	Tenda

cpe:2.3:o:tenda:ac6_firmware:15.03.06.23:*:*:*:*:*:*:* Versions 15.03.06.23 Vulnerable ·Tenda
cpe:2.3:h:tenda:ac6:2.0:*:*:*:*:*:*:* Versions 2.0 Running on ·Tenda

Remediation

No fixed version listed by the sources yet.

Timeline

2026-10-02 Threatist record created from CVE-2026-8259
2026-10-03 Alias added: GHSA-59c7-jp82-73fm

References

Exploit 1

https://github.com/dxz0069/WAVLINK-WN530H4-Command-Injection-in-set_add_routing/blob/main/Tenda%20AC6V2%20TendaTelnet%20Command%20Injection.md

Other 1

https://www.tenda.com.cn/

TI-2025-20961 Tenda AC6 v15.03.05.16 was discovered to contain a buffer overflow via the formSetSpeedWan function. CVSS 3.1CRITICAL 9.8
TI-2023-20197 Tenda AC10 V1.0 V15.03.06.23, AC1206 V15.03.06.23, AC8 v4 V16.03.34.06, AC6 V2.0… CVSS 3.1CRITICAL 9.8
TI-2023-20196 Tenda AC10 V1.0 V15.03.06.23, AC1206 V15.03.06.23, AC6 V2.0 V15.03.06.23, AC7 V1.0… CVSS 3.1CRITICAL 9.8
TI-2023-20193 Tenda AC6 V2.0 V15.03.06.23, AC7 V1.0 V15.03.06.44, F1203 V2.0.1.6, AC5 V1.0… CVSS 3.1CRITICAL 9.8
TI-2023-20191 Tenda AC10 V1.0 V15.03.06.23, AC1206 V15.03.06.23, AC8 v4 V16.03.34.06, AC6 V2.0… CVSS 3.1CRITICAL 9.8
TI-2023-20109 Buffer Overflow vulnerability in Tenda Ac19 v.1.0, AC18, AC9 v.1.0, AC6 v.2.0 and v.1.0… CVSS 3.1CRITICAL 9.8

See all 107 →

Sources

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