CVE-2024-42949: Tenda FH1201 · Stack-based Buffer Overflow
Source CVE Database V5
Not known to be exploited · CVSS 6.5 Medium.
Data as of 26 Oct 2026, 16:39 UTC
- EPSS
- 0.5% chance of exploitation in 30 days – higher than 45% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:HExploitation evidence
Disclosed: evidence found.
CVE published 15 Aug 2024
Detectable: no evidence on record.
No public nuclei template indexed
Weaponised: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 26 Oct 2026.
What to do
AI-suggested
- Immediately restrict network access to the Tenda FH1201 router’s management interfaces, especially blocking POST requests to QoS-related endpoints from untrusted or external networks.
- Implement network segmentation to isolate the vulnerable router from critical systems and reduce exposure to potential attackers.
- Monitor network traffic for anomalous POST requests targeting the qos parameter or unusual router behavior indicative of crashes or reboots.
- If possible, disable QoS features temporarily to reduce attack surface until a firmware update is available.
- Contact Tenda support or monitor official channels for firmware updates or patches addressing this vulnerability and apply them promptly once released.
- Consider replacing the affected router with a device from a vendor with a stronger security track record if patching is delayed.
- Employ intrusion detection/prevention systems (IDS/IPS) with custom signatures to detect and block exploit attempts targeting this vulnerability.
- Educate network administrators about the vulnerability and ensure incident response plans include procedures for handling router DoS events.
Description
Tenda FH1201 v1.2.0.14 (408) was discovered to contain a stack overflow via the qos parameter in the fromqossetting function. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted POST request.