CVE-2026-2874
Last modified
CVE-2026-2874 is a high-severity vulnerability rated 8.8/10 on the CVSS scale. A flaw has been found in Tenda A21 1.0.0.0. Impacted is the function form_fast_setting_wifi_set of the file /goform/fast_setting_wifi_set. EPSS estimates a 0.57% chance of exploitation in the next 30 days.
Description
A flaw has been found in Tenda A21 1.0.0.0. Impacted is the function form_fast_setting_wifi_set of the file /goform/fast_setting_wifi_set. Executing a manipulation of the argument ssid can lead to stack-based buffer overflow. It is possible to launch the attack remotely. The exploit has been published and may be used.
Metrics
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/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
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Tenda | A21 Firmware | 1.0.0.0 |
References
- https://github.com/QIU-DIE/cve-nneeww/issues/5Exploit, Issue Tracking, Mitigation, Third Party Advisory
- https://vuldb.com/?ctiid.347111Permissions Required, VDB Entry
- https://vuldb.com/?id.347111Third Party Advisory, VDB Entry
- https://vuldb.com/?submit.754636Third Party Advisory, VDB Entry
- https://www.tenda.com.cn/Product
Timeline
- Published
- Last Modified
- Status
- Analyzed
Frequently Asked Questions
What is CVE-2026-2874?
How severe is CVE-2026-2874?
How do I fix CVE-2026-2874?
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
Related CVEs from 2026
- CVE-2026-2873A vulnerability was detected in Tenda A21 1.0.0.0. This issu…8.8
- CVE-2026-28732Mattermost versions 11.5.x <= 11.5.1, 10.11.x <= 10.11.13, 1…4.3
- CVE-2026-28733in OpenHarmony v6.0 and prior versions allow a local attacke…6.5
- CVE-2026-28735Mattermost versions 11.6.x <= 11.6.0, 11.5.x <= 11.5.3, 11.4…5.4
- CVE-2026-28736** UNSUPPORTED WHEN ASSIGNED ** Focalboard version 8.0 fails…4.3
- CVE-2026-28737Gitea versions from 1.25.0 before 1.26.0 allow stored cross-…8.7
- CVE-2026-28740Gitea versions up to and including 1.26.2 allow Git LFS obje…7.1
- CVE-2026-28741Mattermost versions 10.11.x <= 10.11.12, 11.5.x <= 11.5.0, 1…8.1
- CVE-2026-28742Naxclow devices use a uniform request-signing scheme based o…9.8
- CVE-2026-28744Gitea versions up to and including 1.26.1 allow Git smart HT…8.1
- CVE-2026-28747A weak key generation vulnerability exists in specific firmw…7.3
- CVE-2026-28751in OpenHarmony v6.0 and prior versions allow a local attacke…3.3
Are you affected by CVE-2026-2874?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST
