CVE-2024-8227
CVE-2024-8227 is a high-severity vulnerability in Tenda O1 Firmware with a CVSS 3.x base score of 8.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-787.
Key facts
- Severity: High (CVSS 3.x base score 8.8)
- CVSS v2: 9.0
- CVSS v4: 8.7
- EPSS exploit prediction: 1% (65th percentile)
- Actively exploited: Not listed in CISA KEV
- EU (EUVD) id: EUVD-2024-49033
- Weakness: CWE-787
- Affected product: Tenda O1 Firmware
- Published:
- Last modified:
Description
A vulnerability was found in Tenda O1 1.0.0.7(10648) and classified as critical. Affected by this issue is the function fromDhcpSetSer of the file /goform/DhcpSetSer. The manipulation of the argument dhcpStartIp/dhcpEndIp/dhcpGw/dhcpMask/dhcpLeaseTime/dhcpDns1/dhcpDns2 leads to stack-based buffer overflow. The attack may be launched remotely. The exploit has been disclosed to the public and may be used. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.
Frequently asked questions
- What is CVE-2024-8227?
- A vulnerability was found in Tenda O1 1.0.0.7(10648) and classified as critical. Affected by this issue is the function fromDhcpSetSer of the file /goform/DhcpSetSer. The manipulation of the argument dhcpStartIp/dhcpEndIp/dhcpGw/dhcpMask/dhcpLeaseTime/dhcpDns1/dhcpDns2 leads to stack-based buffer overflow. The attack may be launched remotely. The exploit has been disclosed to the public and may be used. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.
- How severe is CVE-2024-8227?
- CVE-2024-8227 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
- Is CVE-2024-8227 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (65th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2024-8227?
- CVE-2024-8227 affects Tenda O1 Firmware. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2024-8227?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
- Does CVE-2024-8227 have an EU (EUVD) identifier?
- Yes. CVE-2024-8227 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-49033.
- When was CVE-2024-8227 published?
- CVE-2024-8227 was published on 2024-08-28 and last updated on 2026-06-17.
References
- https://github.com/abcdefg-png/AHU-IoT-vulnerable/blob/main/Tenda/web-bridge/O1V1.1/fromDhcpSetSer.md
- https://vuldb.com/?ctiid.275936
- https://vuldb.com/?id.275936
- https://vuldb.com/?submit.394022
- https://www.tenda.com.cn/
Affected products (1)
- cpe:2.3:o:tenda:o1_firmware:1.0.0.7\(10648\):*:*:*:*:*:*:*
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- CVE-2024-8226 — High (CVSS 8.8): A vulnerability has been found in Tenda O1 1.0.0.7(10648) and classified as critical. Affected by this vulnerability is…
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