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CVE-2025-12618
published 2025-11-03

CVE-2025-12618: A vulnerability has been found in Tenda AC8 16.03.34.06. This impacts an unknown function of the file /goform/DatabaseIniSet. The manipulation of the argument…

PriorityP273critical9.8CVSS 3.1
AVNACLPRNUINSUCHIHAH
EPSS
5.03%
91.3th percentile
A vulnerability has been found in Tenda AC8 16.03.34.06. This impacts an unknown function of the file /goform/DatabaseIniSet. The manipulation of the argument Time leads to buffer overflow. The attack can be initiated remotely. The exploit has been disclosed to the public and may be used.

Affected

2 ranges
VendorProductVersion rangeFixed in
tendaac8——
tendaac8_firmware——

Detection & IOCsextracted from sources · hover to see the quote

url/goform/DatabaseIniSet↗
path/goform/DatabaseiniSet
snort
alert http any any -> $HOME_NET any (msg:"ET WEB_SPECIFIC_APPS Tenda DatabaseiniSet Time Parameter Buffer Overflow Attempt (CVE-2025-12618)"; flow:established,to_server; http.method; content:"POST"; http.uri; bsize:22; content:"/goform/DatabaseiniSet"; fast_pattern; http.request_body; content:"Time|3d|"; pcre:"/^[^&]{100,}(?:&|$)/R"; reference:url,www.cve.org/CVERecord?id=CVE-2025-12618; reference:cve,2025-12618; classtype:web-application-attack; sid:2065632; rev:1; metadata:affected_product Tenda, attack_target Networking_Equipment, tls_state plaintext, created_at 2025_11_03, cve CVE_2025_12618, deployment Perimeter, deployment Internal, performance_impact Low, confidence High, signature_severity Major, tag Exploit, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2025_11_03, mitre_tactic_id TA0001, mitre_tactic_name Initial_Access, mitre_technique_id T1190, mitre_technique_name Exploit_Public_Facing_Application; target:dest_ip;)
  • →Exploit uses HTTP POST method targeting the /goform/DatabaseiniSet endpoint with a URI of exactly 22 bytes.
  • →The request body contains the 'Time=' parameter (encoded as Time|3d|) followed by an oversized value of 100+ characters before an '&' or end-of-body, indicating the buffer overflow payload.
  • →Attack is initiated remotely over plaintext HTTP (not TLS) targeting networking equipment at the perimeter or internally.
  • →MITRE mapping: Initial Access (TA0001) via Exploit Public-Facing Application (T1190).
  • ·Affected firmware version is specifically 16.03.34.06 on Tenda AC8; other versions may or may not be vulnerable. ↗
  • ·The exploit has been publicly disclosed and is available for use, raising the urgency of detection and patching. ↗

CVSS provenance

nvdv3.19.8CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
nvdv4.07.4HIGHCVSS: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/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
nvdv2.09.0CRITICALAV:N/AC:L/Au:S/C:C/I:C/A:C
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