CVE-2026-7102: tenda f456_firmware Injection
CVSS: 8.8v3.1HighAnalyzed
Published 27-04-2026Last modified 29-04-2026
Vulnerability summary
CVE-2026-7102 is a high (CVSS 8.8) Injection vulnerability in tenda f456_firmware. EPSS estimates a 6.47% chance of exploitation in the next 30 days, higher than 93.7% of scored vulnerabilities. 1 public exploit is recorded.
CVSS score
8.8/10
010
High · v3.1 (NVD)EPSS score
6.47%
0%100%
Low · +3.44 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1github
Timeline
- 27-04-2026PublishedVulnerability first disclosed.
- 29-04-2026Last modifiedVulnerability information updated.
Description
A vulnerability was found in Tenda F456 1.0.0.5. This impacts the function FromWriteFacMac of the file /goform/WriteFacMac of the component httpd. The manipulation of the argument mac results in command injection. The attack can be executed remotely. The exploit has been made public and could be used.
CVSS metrics
7 scores · 2 sources · 4 versionsMedium 5.3Preferred score · CVE.org (CNA)
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:PSources2 sources · 2.1–5.3
- NVDNIST2.1LowCVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:XDiffers
High 8.8Preferred score · NVD (NIST)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HSources2 sources · 6.3–8.8
- CVE.orgCNA6.3MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:RDiffers
Medium 6.3Preferred score · CVE.org (CNA)
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:RSourcesSingle source
Medium 6.5Preferred score · CVE.org (CNA)
AV:N/AC:L/Au:S/C:P/I:P/A:P/E:POC/RL:ND/RC:URSourcesAll 2 agree
- NVDNIST6.5MediumAV:N/AC:L/Au:S/C:P/I:P/A:P
EPSS trend
Probability
6.47%
Chance of exploitation in the next 30 days
Percentile
94%
Versus all other CVEs
30-day change
+3.44 pp
From 3.02% on 21-09-2026
21-09-202621-10-2026
EPSS score6.47%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
1 foundVuldb New
Maturity: poc
Weaknesses
CWE · root cause- CWE-74Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection')The product constructs all or part of a command, data structure, or record using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify how it is parsed or interpreted when it is sent to a downstream component.
- CWE-77Improper Neutralization of Special Elements used in a Command ('Command Injection')The product constructs all or part of a command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended command when it is sent to a downstream component.
Affected systems
Tenda1 product
- f456_firmware1.0.0.5
1 vendor · 1 product
References
5 links- www.tenda.com.cnProduct