VulnSocial

CVE-2026-4253Disclosure(tenda / ac8)

LOWCVSS 7.2 · HIGH

Signal is active with 2 mentions in latest observed window

Immediate actions

  • Track advisory updates for patch or workaround availability

Recommended action window: Monitor and triage in normal cycle

NVD description

A security flaw has been discovered in Tenda AC8 16.03.50.11. This affects the function route_set_user_policy_rule of the file /cgi-bin/UploadCfg of the component Web Interface. The manipulation of the argument wans.policy.list1 results in os command injection. It is possible to launch the attack remotely. The exploit has been released to the public and may be used for attacks.

tenda CVEsBack to dashboard
0.0/ 10 priority

Sources & remediation

Exploit / PoC references
Vendor / third-party advisories
Other references
Weakness type (CWE)
CWE-77CWE-78

Priority

LOW

Exploitation

NONE

PoC

YES

Patch

NONE

Momentum

STABLE

Are you affected?

If you run products in this scope, you should treat this CVE as relevant to your environment.

  • ac8
  • ac8_firmware

Threat summary

  • 3 mentions across 2 observed days
  • Momentum state: stable

What's happening

  • Technical details provided in 3 signals
  • Disclosure: 3 classified signals
  • Peaked at 2 mentions on most recent observed day (2026-03-17)
  • 3 total mentions across 2 days

Affected systems

Vendors
tenda
Products
ac8ac8_firmware

2 versions affected across 2 products

Deep dive

Activity timeline3 mentions / 2d
01122Mentions · 2026-03-16: 1Mentions · 2026-03-17: 2Technical Details · 2026-03-16: 1Technical Details · 2026-03-17: 203-1603-17
Signal classification1 categories
Disclosure
3100.0%
Referenced assets3 URLs
Classification over time
DateTotalLabels
2026-03-161
Disclosure1
2026-03-172
Disclosure2
Full discourse3 posts
  • Vulmon Vulnerability Feed@VulmonFeeds
    Disclosure

    CVE-2026-4253 Unauthenticated OS Command Injection in Tenda AC8 Web Interface https://vulmon.com/vulnerabilitydetails?qid=CVE-2026-4253

    Post summary

    A new vulnerability, CVE-2026-4253, has been disclosed: an unauthenticated OS command injection exists on the Tenda AC8 web interface, with details available on Velmon.

    0000052
    4.0K followersView on X
  • CVE@CVEnew
    Disclosure

    CVE-2026-4253 A security flaw has been discovered in Tenda AC8 16.03.50.11. This affects the function route_set_user_policy_rule of the file /cgi-bin/UploadCfg of the component Web I… https://www.cve.org/CVERecord?id=CVE-2026-4253

    Post summary

    The post announces the discovery of CVE-2026-4253, which affects the route_set_user_policy_rule function in the Tenda AC8 router firmware.

    00000114
    56.7K followersView on X
  • CyberDudeBivash® | Global Cybersecurity Company@cyberbivash
    Disclosure

    🚨 CYBERDUDEBIVASH SENTINEL APEX ALERT 🚨 Threat: CVE-2026-4253 - Tenda AC8 Web UploadCfg route_set_user_policy_rule os command injection Intel Report: https://ift.tt/96WVTtL

    Post summary

    The text announces CVE-2026-4253 as an OS command injection flaw in Tenda AC8 devices, providing the vulnerability description but no PoC, exploit code, or patch information.

    0000043
    335 followersView on X
CPE platform detail2 entries

2 of 2 entries

PartVendorProductVersionTarget SWTarget HW
HWtendaac85.0--
OStendaac8_firmware16.03.50.11--

Explore more

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