Vulnerability · Published Apr 24, 2024 · Assigned by VulDB

CVE-2024-4127Tenda W15E guestWifiRuleRefresh stack-based overflow

High 8.8

In plain English

A high-severity stack buffer overflow in W15E from Tenda. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 1.8% (higher than 78% of all known vulnerabilities).

Severity (CVSS 3.1)8.8High

Exploit odds (30 days)1.8%top 21.9% of all CVEs

Exploited in the wildNo reportsCISA SSVC: poc

Attack toolingNoneno public tooling known

Official description

A vulnerability was found in Tenda W15E 15.11.0.14. It has been classified as critical. Affected is the function guestWifiRuleRefresh. The manipulation of the argument qosGuestDownstream leads to stack-based buffer overflow. It is possible to launch the attack remotely. VDB-261870 is the identifier assigned to this vulnerability. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.

Affected products (as reported)

Vendor	Product	Versions
Tenda	W15E	15.11.0.14

Weakness: CWE-121 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

References

VDB-261870 | Tenda W15E guestWifiRuleRefresh stack-based overflow vdb-entry, technical-description
VDB-261870 | CTI Indicators (IOB, IOC, IOA) signature, permissions-required
Submit #317832 | Tenda W15EV1.0 V15.11.0.14 Buffer Overflow third-party-advisory
https://github.com/abcdefg-png/IoT-vulnerable/blob/main/Tenda/W15Ev1.0/guestWifiRuleRefresh.md related