01 Record
CVE-2026-8259
Tenda AC6 httpd telnet os command injection
MediumPUBLISHEDCNA: VulDB
CNA base score5.1 CVSS v4.0CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P
02 Description
Tenda AC6 httpd telnet os command injection
03 Exploitation and scoring
- Exploitation
- Public exploit code exists. CISA's assessment records a public proof of concept. That is not a report of exploitation in the wild.
- SSVC decision
- ExploitationpocPublic proof-of-concept exploit code exists. Not a report of exploitation in the wild.
- AutomatablenoAt least one step from reconnaissance to exploitation cannot be reliably automated.
- Technical ImpactpartialSuccessful exploitation gives limited control of the vulnerable component.
- EPSS probability
- 4.88% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 92.0% of scored records. A rank, not a probability.
- NVD base score
- 2.0 (CVSS v4.0), scored by the NVD independently of the CNA.
- NVD CVSS vector
- CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
- NVD analysis status
- Analyzed. NVD last modified this record on 2026-07-23.
- Red Hat severity
- No Red Hat rating. Red Hat rates the CVEs that affect its products.
Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.
04 Metadata
- Published
- 2026-05-11 01:00Z5 MO AGO
- Last updated
- 2026-05-11 10:55Z5 MO AGO
- Reserved
- 2026-05-10
- Assigning CNA
- VulDB
- Record state
- PUBLISHED
- Severity
- Medium (CVSS 5.1)
- CNA CVSS vector
- CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P
- Weaknesses
- Data version
- 5.2
- Document digest
- d55230bf84c103d810584e4149a544f22cd792539f04c030deb80ae09003fe03
05 Affected products
VendorProductVersionsPlatforms
06 References
- vuldb.comVDB-362556 | Tenda AC6 httpd telnet os command injectionhttps://vuldb.com/vuln/362556
- vuldb.comVDB-362556 | CTI Indicators (IOB, IOC, TTP, IOA)https://vuldb.com/vuln/362556/cti
- vuldb.comSubmit #809877 | Tenda AC6 V2.0 (AC1206) Firmware V15.03.06.23 Command Injectionhttps://vuldb.com/submit/809877
- github.comhttps://github.com/dxz0069/WAVLINK-WN530H4-Command-Injection-in-set_add_routing/blob/main/Tenda%20AC6V2%20TendaTelnet%20Command%20Injection.md
- www.tenda.com.cnhttps://www.tenda.com.cn/