CVE-2026-7033: Buffer Overflow in Tenda F456
CVE-2026-7033 is a high-severity buffer overflow vulnerability in Tenda F456 version 1. 0. 0. 5. It affects the fromSafeClientFilter function in the /goform/SafeClientFilter file, where manipulation of the 'menufacturer/Go' argument can trigger the overflow. The vulnerability is remotely exploitable without user interaction and requires low privileges. Although the exploit has been publicly disclosed, there are no known exploits in the wild. No official patch or remediation guidance is currently available.
AI Analysis
Technical Summary
This vulnerability in Tenda F456 1.0.0.5 involves a buffer overflow in the fromSafeClientFilter function due to improper handling of the 'menufacturer/Go' argument. The flaw allows remote attackers to cause a buffer overflow, potentially leading to code execution or denial of service. The CVSS 4.0 base score is 8.7, reflecting high impact and ease of exploitation with no user interaction required. The vulnerability is categorized under CWE-120 and CWE-119, indicating classic buffer overflow issues. No patch or official remediation level has been provided as of the publication date.
Potential Impact
Successful exploitation can lead to a buffer overflow condition, which may allow remote attackers to execute arbitrary code or cause denial of service on the affected device. The vulnerability requires only network access and low privileges, with no user interaction needed. The high CVSS score indicates significant potential impact on confidentiality, integrity, and availability.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is available, users should limit network exposure of the affected device and monitor for unusual activity. No vendor-provided mitigation or temporary fix is currently documented.
CVE-2026-7033: Buffer Overflow in Tenda F456
Description
CVE-2026-7033 is a high-severity buffer overflow vulnerability in Tenda F456 version 1. 0. 0. 5. It affects the fromSafeClientFilter function in the /goform/SafeClientFilter file, where manipulation of the 'menufacturer/Go' argument can trigger the overflow. The vulnerability is remotely exploitable without user interaction and requires low privileges. Although the exploit has been publicly disclosed, there are no known exploits in the wild. No official patch or remediation guidance is currently available.
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability in Tenda F456 1.0.0.5 involves a buffer overflow in the fromSafeClientFilter function due to improper handling of the 'menufacturer/Go' argument. The flaw allows remote attackers to cause a buffer overflow, potentially leading to code execution or denial of service. The CVSS 4.0 base score is 8.7, reflecting high impact and ease of exploitation with no user interaction required. The vulnerability is categorized under CWE-120 and CWE-119, indicating classic buffer overflow issues. No patch or official remediation level has been provided as of the publication date.
Potential Impact
Successful exploitation can lead to a buffer overflow condition, which may allow remote attackers to execute arbitrary code or cause denial of service on the affected device. The vulnerability requires only network access and low privileges, with no user interaction needed. The high CVSS score indicates significant potential impact on confidentiality, integrity, and availability.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is available, users should limit network exposure of the affected device and monitor for unusual activity. No vendor-provided mitigation or temporary fix is currently documented.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- VulDB
- Date Reserved
- 2026-04-25T14:20:58.520Z
- Cvss Version
- 4.0
- State
- PUBLISHED
- Remediation Level
- null
- Gcve Source
- db.gcve.eu
- Epss Score
- 0.00046
- Epss Percentile
- 0.14261
- Epss Date
- 2026-04-26
Threat ID: 69ee6bb668edb0b8f2495f3f
Added to database: 4/26/2026, 7:47:02 PM
Last enriched: 4/26/2026, 8:01:01 PM
Last updated: 4/26/2026, 10:08:12 PM
Views: 6
Community Reviews
0 reviewsCrowdsource mitigation strategies, share intel context, and vote on the most helpful responses. Sign in to add your voice and help keep defenders ahead.
Want to contribute mitigation steps or threat intel context? Sign in or create an account to join the community discussion.
Actions
Updates to AI analysis require Pro Console access. Upgrade inside Console → Billing.
Need more coverage?
Upgrade to Pro Console for AI refresh and higher limits.
For incident response and remediation, OffSeq services can help resolve threats faster.
Latest Threats
Check if your credentials are on the dark web
Instant breach scanning across billions of leaked records. Free tier available.