HOMEVULNERABILITIESCVE-2026-6989
HIGH

CVE-2026-6989

CWE-74Published: April 25, 2026· Updated: Apr 30, 2026

8.8
CVSS v3.1
EPSS:0.84%probability of exploitation in 30 daysPercentile:74.8th

Official Description

A vulnerability has been found in Tenda F453 up to 1.0.0.3. Impacted is the function TendaTelnet of the file /goform/telnet of the component Telnet Service. Such manipulation leads to command injection. It is possible to launch the attack remotely. The exploit has been disclosed to the public and may be used.

NVD Source

Technical Analysis

CVE-2026-6989 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

Exploitation requires low privileges, which limits the exposure to scenarios where an attacker has already gained initial access.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 8.8.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorNetwork
Attack ComplexityLow
Privileges Req.Low
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected Vendors & Products

tenda2 products
f453 firmwaref453
Source: NVD CPE · 2 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
Exploit-DB
Offensive Security exploit database
GitHub PoC Search
Community PoC repositories
Rapid7 / Metasploit
Metasploit module search
PacketStorm
Security advisories & exploits
NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
External links open in a new tab. Always verify in a controlled environment before use.

Official Patches & Advisories

ADVISORYhttps://github.com/alc9700jmo/CVE/issues/24
ADVISORYhttps://vuldb.com/submit/796560
ADVISORYhttps://vuldb.com/vuln/359541

All References (5)

→
https://github.com/alc9700jmo/CVE/issues/24Exploit · Third Party Advisory · Issue Tracking
→
https://vuldb.com/submit/796560Third Party Advisory · VDB Entry
→
https://vuldb.com/vuln/359541Third Party Advisory · VDB Entry
→
https://vuldb.com/vuln/359541/ctiPermissions Required · VDB Entry
→
https://www.tenda.com.cn/Product

Quick Facts

CVE IDCVE-2026-6989
CVSS Score8.8 / 10
SeverityHIGH
WeaknessCWE-74
CISA KEVNo
EPSS (30d)0.84%
Affected1 vendor
PublishedApr 25, 2026

Related CVEs (CWE-74)

CVE-2026-4203
9.8
CVE-2026-4204
9.8
CVE-2026-4209
9.8
CVE-2026-4207
9.8
CVE-2026-4228
9.8
CVE-2026-4197
9.8

Recommended Actions

  • →Apply vendor patches immediately
  • →Monitor CVE-2026-6989 in threat intel feeds
  • →Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.
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