CVE-2023-0776
No exploitation reported by the sources we read.
- Published2023-02-11
- WeaknessCWE-77 · CWE-79
Am I affected?
Debian, Ubuntu or Red Hat sometimes backport a fix without changing the upstream version number: such a version reads « to verify », never « affected ».With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.
Description
Baicells Nova 436Q, Nova 430E, Nova 430I, and Neutrino 430 LTE TDD eNodeB devices with firmware through QRTB 2.12.7 are vulnerable to remote shell code exploitation via HTTP command injections. Commands are executed using pre-login execution and executed with root permissions. The following methods below have been tested and validated by a 3rd party analyst and has been confirmed exploitable special thanks to Rustam Amin for providing the steps to reproduce.
Timeline
dates in UTC- 2023-02-1101:23CVE publishedNVD
Observed activity
isMalicious corpus · updated 2026-10-23 21:37 UTCBlock these indicators
- Firewall list (EDL, text): https://api.ismalicious.com/edl/cve/CVE-2023-0776?format=txt
- CSV export: https://api.ismalicious.com/edl/cve/CVE-2023-0776?format=csv
- TAXII collection of exploited CVEs
- The EDL and CSV take an API key on the Pro plan.
Versions per branch
NVD| Branch | Affected | Fixed in | Source |
|---|---|---|---|
| — | ≤ qrtb_2.12.7 | no fix published | NVD |
| Branch | Affected | Fixed in | Source |
|---|---|---|---|
| — | ≤ qrtb_2.12.7 | no fix published | NVD |
| Branch | Affected | Fixed in | Source |
|---|---|---|---|
| — | ≤ qrtb_2.12.7 | no fix published | NVD |
1 more product in the sources.
as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.
Distribution builds and vendor advisories
Packages from OSV.dev and products from the vendors' CSAF advisories.
version not verifiedVersions not verified: read as OSV.dev and the vendors publish them, not checked against each vendor's release list.
Vendor advisories
Baicells Nova
Baicells Technologies Nova 436Q: <=QRTB_2.12.7 · Baicells Technologies Nova 430E: <=QRTB_2.12.7 · Baicells Technologies Nova 430I: <=QRTB_2.12.7 · +1 more
Fix
- Mitigation from the vendor CISA ICSA-23-061-02 · 4 productsBaicells has resolved this vulnerability in software version QRTB 2.12.8 and later. Baicells recommends all users currently running an earlier version of QRTB firmware upgrade affected products to the 2.12.8 firmware version. Firmware can be downloaded from the Baicells community page or upgraded v…
- Mitigation from the vendor CISA ICSA-23-061-02 · 4 productsBaicells published a security vulnerability notice for this issue.
Advisories and patches
- baicells.comPatch · Vendor Advisory
Detection
- Nuclei template
- none so far ProjectDiscovery
- Exploit-DB
- no entry Exploit-DB
- Proof-of-concept repositories
- none listed PoC-in-GitHub
Sources
Technical details
- CVSS v3 Vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
- Published
- 2023-02-11
- Last Modified
- 2026-06-17
- NVD status
- Modified
Frequently asked questions
What is CVE-2023-0776?
Is CVE-2023-0776 actively exploited?
What is the CVSS score for CVE-2023-0776?
Running Baicells Nova? Hear about its next vulnerability
Surveillance reads the versions in your stack — a domain, a lockfile or a list — checks each CVE against the ranges its sources publish, and alerts you when one you run is exploited or enters CISA KEV. A version it cannot read stays « version not verified ».
No credit card required · No monthly cap on website lookups · 250 API requests/month
Go further
- Following what attackers exploit right now? The CISA KEV additions of the month, with their patch deadlines.
- Running this software? Vulnerability monitoring alerts you to new vulnerabilities in your products.
Related vulnerabilities
Same product first, then the same vendor advisory and the same publication week.