ZKTeco ZKTime.Net 3.0.1.6 Insecure File Permissions Privilege Escalation
Published Mar 15, 2026
9.3
CRITICALCVSS 4.0
EPSS 0.73%
Description
ZKTeco ZKTime.Net 3.0.1.6 contains an insecure file permissions vulnerability that allows unprivileged users to escalate privileges by modifying executable files. Attackers can exploit world-writable permissions on the ZKTimeNet3.0 directory and its contents to replace executable files with malicious binaries for privilege escalation.
Affected products
-
- Version 3.0.1.1 (160216)StatusaffectedConstraints-
- Version 3.0.1.5 (160622)StatusaffectedConstraints-
- Version 3.0.1.6StatusaffectedConstraints-
- Version
Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
| Vendor | Product | Default status | Versions | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ZKTeco Inc. | ZKTeco ZKTime.Net | n/a |
|
No data.
No data.
No Red Hat product state for this CVE.
No package ranges for this CVE.
Remediation
Vendor solution
The affected software ZKTime.Net has been officially discontinued. It is recommended that all users switch to using ZKBio Time.Net software. ZKBio Time.Net has fixed this vulnerability. It is recommended that users use the latest version of ZKBio Time.Net to eliminate the risk.
Metrics
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
1 other source (NVD) ▾
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/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
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
No CVSS v3.0 score for this CVE.
No CVSS v2.0 score for this CVE.
This CVE is not in the KEV list.
CISA SSVC (Vulnrichment)
Stakeholder-Specific Vulnerability Categorization from CISA ADP.
Exploitation
PoCAutomatable
YesTechnical Impact
TotalDecision
n/aAssessed Mar 16, 2026 · SSVC 2.0.3
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
Score over time
Mar–Oct 2026- EPSS v4
- EPSS v5
Percentile over time
- EPSS v4
- EPSS v5
Table of values (3 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 0.73% (0.00735) | 52.73th | v5 (v2026.06.15) |
| Jun 15, 2026 | 0.73% (0.00735) | 49.43th | v5 (v2026.06.15) |
| Mar 16, 2026 | 0.06% (0.00056) | 17.26th | v4 (v2025.03.14) |
References (6)
- https://cxsecurity.com/issue/WLB-2016080264 third-party-advisory
- https://exchange.xforce.ibmcloud.com/vulnerabilities/116487 vdb-entry
- https://packetstormsecurity.com/files/138565 exploit
- https://www.exploit-db.com/exploits/40322/ exploit
- https://www.vulncheck.com/advisories/zkteco-zktime-net-insecure-file-permissions-privilege-escalation third-party-advisory
- https://www.zeroscience.mk/en/vulnerabilities/ZSL-2016-5360.php third-party-advisory
| Link | Providers | Tags |
|---|---|---|
| https://cxsecurity.com/issue/WLB-2016080264 | third-party-advisory | |
| https://exchange.xforce.ibmcloud.com/vulnerabilities/116487 | vdb-entry | |
| https://packetstormsecurity.com/files/138565 | exploit | |
| https://www.exploit-db.com/exploits/40322/ | exploit | |
| https://www.vulncheck.com/advisories/zkteco-zktime-net-insecure-file-permissions-privilege-escalation | third-party-advisory | |
| https://www.zeroscience.mk/en/vulnerabilities/ZSL-2016-5360.php | third-party-advisory |
Change history (0)
No recorded changes yet.