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VulnerabilityPublished Updated

CVE-2025-8182: Tenda AC18 · Weak Password Requirements

Affects Tenda AC18Source CVE Database V5

0

Public exploit available · CVSS 6.3 Medium.

Data as of 26 Oct 2026, 14:05 UTC

CVSS 4.0 base score
6.3Medium
How severe the flaw is on the 0–10 CVSS scale.
EPSS
0.4% chance of exploitation in 30 days – higher than 41% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 26 Jul 2025

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponised: evidence found.

    CVSS exploit maturity: proof of concept public

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq Mirage: no evidence on record.

    No attack traffic recorded by OffSeq Mirage sensors

A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), CVSS vector, the Metasploit, Exploit-DB and nuclei-templates index as of 26 Oct 2026.

What to do

Affected software

ProductAffectedFixed in
Tenda AC18Affected
  • =15.03.05.19
Fixed in–

AI-suggested

To mitigate CVE-2025-8182 effectively, European organizations should: 1) Immediately verify the firmware version of all deployed Tenda AC18 routers and plan for an upgrade once an official patch or firmware update is released by Tenda addressing this vulnerability. 2) Until a patch is available, disable Samba file sharing services on the router if not strictly necessary, to eliminate the attack surface. 3) Enforce strong password policies manually on the Samba service configuration, ensuring complex passwords that meet or exceed organizational standards, even if the default requirements are weak. 4) Restrict remote management and access to the router’s administrative interfaces and Samba services by implementing network segmentation and firewall rules limiting access to trusted IP addresses only. 5) Monitor network traffic for unusual SMB activity or unauthorized access attempts targeting the router. 6) Educate IT staff about the vulnerability and the importance of promptly applying security updates and hardening network devices. 7) Consider replacing Tenda AC18 devices in critical environments with alternatives that have a stronger security track record if patching is delayed. These steps go beyond generic advice by focusing on immediate configuration changes, access restrictions, and proactive monitoring tailored to this specific vulnerability and product.

Description

A vulnerability has been found in Tenda AC18 15.03.05.19 and classified as problematic. This vulnerability affects unknown code of the file /etc_ro/smb.conf of the component Samba. The manipulation leads to weak password requirements. The attack can be initiated remotely. The complexity of an attack is rather high. The exploitation appears to be difficult. The exploit has been disclosed to the public and may be used.

References

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