Exposure of Sensitive Information to an Unauthorized Actor vulnerability in EFM-Networks, Inc.

published 2026-02-27 8 mo ago modified 2026-06-17 4 mo ago also EUVD-2026-8983

cvss: 7.5; version 3.1, NVD
cisa kev: Not listed; not in CISA's catalog
epss: 0.4%; EPSS 0.4% chance of exploitation in 30 days, percentile 38%
public exploits: 0; none known

Exposure of Sensitive Information to an Unauthorized Actor vulnerability in EFM-Networks, Inc. IpTIME T5008, EFM-Networks, Inc. IpTIME AX2004M, EFM-Networks, Inc. IpTIME AX3000Q, EFM-Networks, Inc. IpTIME AX6000M allows Authentication Bypass.This issue affects ipTIME T5008: through 15.26.8; ipTIME AX2004M: through 15.26.8; ipTIME AX3000Q: through 15.26.8; ipTIME AX6000M: through 15.26.8.

Patch / fix

fixed in 4

EFM-Networks, Inc. ipTIME T5008 15.27.2
EFM-Networks, Inc. ipTIME AX2004M 15.27.2
EFM-Networks, Inc. ipTIME AX3000Q 15.27.2
EFM-Networks, Inc. ipTIME AX6000M 15.27.2

CISA SSVC

Exploitation: none
Automatable: no
Technical impact: partial
Assessed: 8 mo ago (2026-02-27)

Exploit prediction

0.44% chance of exploitation in the next 30 days, higher than 38% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
CNA	4.0	6.0	CVSS:4.0/AV:A/AC:L/AT:P/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N
CNA	4.0	6.0	CVSS:4.0/AV:A/AC:L/AT:P/PR:N/UI:N/VC:H/VI:N/VA:N/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
NVD	3.1	7.5	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Affected products

EFM-Networks, Inc. ipTIME T5008
EFM-Networks, Inc. ipTIME AX2004M
EFM-Networks, Inc. ipTIME AX3000Q
EFM-Networks, Inc. ipTIME AX6000M

Classification

Weakness

CWE-200 Exposure of Sensitive Information to an Unauthorized Actor

References

iptime.com /iptime/?page_id=126&dffid=1&dfsid=15&dftid=589&uid=26901&mod=document
release-notes
boho.or.kr /kr/bbs/view.do?searchCnd=&bbsId=B0000302&searchWrd=&menuNo=205023&pageIndex=1&categoryCode=&nttId=71987
third-party-advisory

Sources

CVE List CVE-2026-24498
NVD CVE-2026-24498

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary