CVE-2025-15684: Open5GS · Reachable Assertion
Affects Open5GSSource CVE Database V5
Public exploit available · CVSS 6.9 Medium.
Data as of 9 Nov 2026, 23:23 UTC
- EPSS
- 0.7% chance of exploitation in 30 days – higher than 54% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:PExploitation evidence
Disclosed: evidence found.
CVE published 12 Aug 2026
Detectable: no evidence on record.
No public nuclei template indexed
Weaponized: evidence found.
CVSS exploit maturity: proof of concept public
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by 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 9 Nov 2026.
What to do
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| Open5GS | Affected
| Fixed in– |
GitHubopen5gs/open5gspkg:github/open5gs/open5gsOther threats | Affected
| Fixed in– |
CPE configurations (1)
cpe:2.3:a:open5gs:open5gs:*:*:*:*:*:*:*:*
Check your own hosts for these packages with threat-finder (opens in a new tab), our free open-source scanner.
AI-suggested
Upgrade Open5GS to version 2.7.7 or later, which includes the official patch (commit c1a803516a3c0485696cb9bcca7a80ad857c7383) that fixes this vulnerability. No other mitigation or temporary workaround is indicated.
Description
A vulnerability was detected in Open5GS up to 2.7.6. Affected is the function diam_log_func of the file lib/diameter/common/init.c of the component CER Handler. The manipulation results in reachable assertion. The attack can be executed remotely. The exploit is now public and may be used. Upgrading to version 2.7.7 is able to address this issue. The patch is identified as c1a803516a3c0485696cb9bcca7a80ad857c7383. It is advisable to upgrade the affected component.
References
- vuldb.com/vuln/387277 (opens in a new tab)
- vuldb.com/vuln/387277/cti (opens in a new tab)
- vuldb.com/cve/CVE-2025-15684 (opens in a new tab)
- vuldb.com/submit/867102 (opens in a new tab)
- github.com/open5gs/open5gs/issues/4155 (opens in a new tab)
- github.com/open5gs/open5gs/commit/c1a803516a3c0485696cb9bcca7a80ad857c7383 (opens in a new tab)
- github.com/open5gs/open5gs/releases/tag/v2.7.7 (opens in a new tab)
- github.com/open5gs/open5gs/ (opens in a new tab)