Ac23 Firmware
CVE-2025-12596
HIGH
Vulnerability Assessment
| Weakness |
CWE
OWASP Top 10:2025
A06:2021 - Vulnerable and Outdated Components
ASVS 5.0
V15 - Secure Coding and Architecture Bounds checking, buffer size validation
MITRE ATT&CK
2 techniques across 2 tactics: Execution, Privilege Escalation The technique list with ATT&CK links and the kill-chain view is part of the Basic plan and up. |
| Impact | CVSS score of 7.4 (HIGH). Attack characteristics: network attack vector, low complexity, low privileges required, no user interaction not required. Public proof-of-concept exploit code is available. EPSS exploitation probability: 0.06%. |
| Exploit ScenarioDerived | A remote attacker could corrupt memory to execute arbitrary code or crash the application by sending crafted requests to the affected application. |
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Alert meAnalysisAIv1 – Mar 28, 2026
A security vulnerability has been detected in Tenda AC23 16.03.07.52. Rated high severity (CVSS 7.4), this vulnerability is remotely exploitable, low attack complexity. Public exploit code available and no vendor patch available.
RemediationAI
No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Use memory-safe languages or bounds-checking. Enable ASLR, DEP/NX, stack canaries. Use safe string functions.
Affects your stack
Find out whether the stacks and servers you run are on an affected version.
Checking this CVE against your own stacks and servers is part of the Basic plan and up.
Technical ContextAI · show details
This vulnerability is classified as Buffer Overflow (CWE-119), which allows attackers to corrupt memory to execute arbitrary code or crash the application. A security vulnerability has been detected in Tenda AC23 16.03.07.52. Affected is the function saveParentControlInfo of the file /goform/saveParentControlInfo. Such manipulation of the argument Time leads to buffer overflow. It is possible to launch the attack remotely. The exploit has been disclosed publicly and may be used. Affected products include: Tenda Ac23 Firmware.
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- Exploit and PoC references, threat intelligence from 22 sources
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Severity by source
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P
Primary rating from Vendor (vuldb) · only source for this CVE.
CVSS VectorVendor: vuldb
Lifecycle Timeline
2DescriptionCVE.org
A security vulnerability has been detected in Tenda AC23 16.03.07.52. Affected is the function saveParentControlInfo of the file /goform/saveParentControlInfo. Such manipulation of the argument Time leads to buffer overflow. It is possible to launch the attack remotely. The exploit has been disclosed publicly and may be used.
Executive ViewAI
Organizations using A security vulnerability face moderate risk from CVE-2025-12596, a buffer overflow vulnerability rated CVSS 7.4. Exploitation could allow attackers to corrupt memory, crash the application, or potentially execute arbitrary code. Proof-of-concept code is publicly available, increasing the risk of exploitation. Organizations should apply vendor updates when available and consider compensating controls in the interim.
Apply vendor patch. If immediate patching is not feasible: (1) Implement network-level access controls to limit exposure; (2) Enable enhanced monitoring and alerting; (3) Apply principle of least privilege.
Threat Intelligence Overview
NVD
CVE.org
EPSS
GitHub
VulDB
How this decision was reached
The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.
What every action level means
SSVC AssessmentENISA
Priority Score
Attack Technique
A buffer overflow occurs when a program writes more data to a memory buffer than it was allocated to hold, causing the excess data to spill into adjacent memory regions.
Affected Products (CPE)CVE.org
More in Ac23 Firmware
View allTenda AC23 Vv16.03.07.45_cn is vulnerable to Buffer Overflow via sub_450A4C function. Rated critical severity (CVSS 9.8)
A vulnerability was found in Tenda AC23 16.03.07.45 and classified as critical. Rated critical severity (CVSS 9.8), this
Tenda AC23 V16.03.07.45_cn was discovered to contain a stack overflow via the firewallEn parameter in the formSetFirewal
Tenda AC23 V16.03.07.45_cn was discovered to contain a stack overflow via the time parameter in the setSmartPowerManagem
Tenda AC23 V16.03.07.45_cn was discovered to contain a stack overflow via the schedStartTime parameter in the setSchedWi
Tenda AC23 V16.03.07.45_cn was discovered to contain a stack overflow via the shareSpeed parameter in the fromSetWifiGus
Tenda AC23 V16.03.07.45_cn was discovered to contain a stack overflow via the wpapsk_crypto parameter in the fromSetWire
Tenda AC23 V16.03.07.45_cn was discovered to contain a stack overflow via the list parameter in the formSetQosBand funct
Tenda AC23 V16.03.07.45_cn was discovered to contain a stack overflow via the timeZone parameter in the fromSetSysTime f
Tenda AC23 V16.03.07.45_cn was discovered to contain a stack overflow via the devName parameter in the formSetDeviceName
A security vulnerability has been detected in Tenda AC21 and AC23 16.03.08.16. Rated high severity (CVSS 8.9), this vuln
Unauthenticated attackers can trigger a buffer overflow in Tenda AC23 firmware version 16.03.07.52 through the wpapsk_cr
Exploit-DB