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CVE-2025-15460VulnerabilityPublished Updated

CVE-2025-15460: UTT 进取 520W · Buffer Overflow

Affects UTT 进取 520WSource CVE Database V5

0

Not known to be exploited · CVSS 8.7 High.

Data as of 25 Oct 2026, 19:02 UTC

CVSS 4.0 base score
8.7High
How severe the flaw is on the 0–10 CVSS scale.
EPSS
0.6% chance of exploitation in 30 days – higher than 48% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
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

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 5 Jan 2026

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponised: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

  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), the Metasploit, Exploit-DB and nuclei-templates index as of 2026-10-25.

What to do

Affected software

ProductAffectedFixed in
UTT进取 520WAffected
  • =1.7.7-180627
Fixed in–

AI-suggested

First, restrict network access to the affected device’s management interfaces, especially blocking access to the /goform/formPptpClientConfig endpoint from untrusted networks. Deploy network-level intrusion detection and prevention systems (IDS/IPS) with signatures targeting this exploit to detect and block malicious payloads. Consider isolating or segmenting the device within the network to limit exposure. Monitor network traffic for unusual activity or signs of exploitation attempts. If possible, replace or upgrade the device to a more secure model or firmware version once available. Additionally, conduct regular vulnerability scans to identify affected devices and maintain an inventory of all UTT 进取 520W routers in use. Engage with the vendor persistently for patch release and stay updated on threat intelligence feeds for emerging exploits or mitigation techniques.

Description

A vulnerability was detected in UTT 进取 520W 1.7.7-180627. This affects the function strcpy of the file /goform/formPptpClientConfig. Performing a manipulation of the argument EncryptionMode results in buffer overflow. Remote exploitation of the attack is possible. The exploit is now public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

References

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