CVE-2026-5547: Tenda AC10 httpd formAddMacfilterRule os command injection
Analyzed
Published 05-04-2026Last modified 06-04-2026
Vulnerability summary
CVE-2026-5547 is a high (CVSS 8.8) Command Injection vulnerability in tenda ac10_firmware. EPSS estimates a 4.14% chance of exploitation in the next 30 days, higher than 90.7% of scored vulnerabilities.
CVSS score
8.8/10
010
High · v3.1 (NVD)EPSS score
4.14%
0%100%
Low · +2.04 pp in 30 daysKEVNot listedNot listed by any tracked catalog.
RansomwareNot flaggedNo ransomware use recorded.
Public exploits0No public exploits recorded
Timeline
- 05-04-2026PublishedVulnerability first disclosed.
- 06-04-2026Last modifiedVulnerability information updated.
Description
A vulnerability has been found in Tenda AC10 16.03.10.10_multi_TDE01. Affected is the function formAddMacfilterRule of the file /bin/httpd. Such manipulation leads to os command injection. It is possible to launch the attack remotely. Multiple endpoints might be affected.
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:XSourcesAll 2 agree
- NVDNIST5.3MediumCVSS: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:X/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:X
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:X/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:X/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:ND/RL:ND/RC:URSourcesAll 2 agree
- NVDNIST6.5MediumAV:N/AC:L/Au:S/C:P/I:P/A:P
EPSS trend
Probability
4.14%
Chance of exploitation in the next 30 days
Percentile
91%
Versus all other CVEs
30-day change
Increase +2.04 pp
From 2.10% on 22-09-2026
22-09-202622-10-2026
Known exploited
Compare KEV catalogs
CISA KEVNot in the CISA KEV catalog.
ENISA CNWNot in the ENISA CNW catalog.
CIRCLNot in the CIRCL catalog.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root cause- 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.
- CWE-78Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')The product constructs all or part of an OS command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended OS command when it is sent to a downstream component.
Affected systems
Tenda1 product
- ac10_firmware16.03.10.10_multi_TDE01 | 16.03.10.10_multi_tde01
1 vendor · 1 product
References
5 links- vuldb.com/submit/782296Third Party Advisory
- www.tenda.com.cnProduct